20081490260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:866

約数の個数: 192

約数和(自身を含む): 49449953280

約数和(自身を除く): 29368463020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 37, 38, 52, 65, 74, 76, 95, 130, 148, 181, 185, 190, 247, 260, 362, 370, 380, 481, 494, 607, 703, 724, 740, 905, 962, 988, 1214, 1235, 1406, 1810, 1924, 2353, 2405, 2428, 2470, 2812, 3035, 3439, 3515, 3620, 4706, 4810, 4940, 6070, 6697, 6878, 7030, 7891, 9139, 9412, 9620, 11533, 11765, 12140, 13394, 13756, 14060, 15782, 17195, 18278, 22459, 23066, 23530, 26788, 31564, 33485, 34390, 36556, 39455, 44707, 44918, 45695, 46132, 47060, 57665, 66970, 68780, 78910, 87061, 89414, 89836, 91390, 109867, 112295, 115330, 127243, 133940, 149929, 157820, 174122, 178828, 182780, 219734, 223535, 224590, 230660, 254486, 291967, 299858, 348244, 426721, 435305, 439468, 447070, 449180, 508972, 549335, 583934, 599716, 636215, 749645, 853442, 870610, 894140, 1098670, 1167868, 1272430, 1428271, 1459835, 1499290, 1654159, 1706884, 1741220, 2087473, 2133605, 2197340, 2544860, 2856542, 2919670, 2998580, 3308318, 4065079, 4174946, 4267210, 5547373, 5713084, 5839340, 6616636, 7141355, 8130158, 8270795, 8349892, 8534420, 10437365, 11094746, 14282710, 16260316, 16541590, 20325395, 20874730, 22189492, 27137149, 27736865, 28565420, 33083180, 40650790, 41749460, 52846027, 54274298, 55473730, 77236501, 81301580, 105692054, 108548596, 110947460, 135685745, 154473002, 211384108, 264230135, 271371490, 308946004, 386182505, 528460270, 542742980, 772365010, 1004074513, 1056920540, 1544730020, 2008149026, 4016298052, 5020372565, 10040745130, 20081490260]

約数ペア:

[(1, 20081490260), (2, 10040745130), (4, 5020372565), (5, 4016298052), (10, 2008149026), (13, 1544730020), (19, 1056920540), (20, 1004074513), (26, 772365010), (37, 542742980), (38, 528460270), (52, 386182505), (65, 308946004), (74, 271371490), (76, 264230135), (95, 211384108), (130, 154473002), (148, 135685745), (181, 110947460), (185, 108548596), (190, 105692054), (247, 81301580), (260, 77236501), (362, 55473730), (370, 54274298), (380, 52846027), (481, 41749460), (494, 40650790), (607, 33083180), (703, 28565420), (724, 27736865), (740, 27137149), (905, 22189492), (962, 20874730), (988, 20325395), (1214, 16541590), (1235, 16260316), (1406, 14282710), (1810, 11094746), (1924, 10437365), (2353, 8534420), (2405, 8349892), (2428, 8270795), (2470, 8130158), (2812, 7141355), (3035, 6616636), (3439, 5839340), (3515, 5713084), (3620, 5547373), (4706, 4267210), (4810, 4174946), (4940, 4065079), (6070, 3308318), (6697, 2998580), (6878, 2919670), (7030, 2856542), (7891, 2544860), (9139, 2197340), (9412, 2133605), (9620, 2087473), (11533, 1741220), (11765, 1706884), (12140, 1654159), (13394, 1499290), (13756, 1459835), (14060, 1428271), (15782, 1272430), (17195, 1167868), (18278, 1098670), (22459, 894140), (23066, 870610), (23530, 853442), (26788, 749645), (31564, 636215), (33485, 599716), (34390, 583934), (36556, 549335), (39455, 508972), (44707, 449180), (44918, 447070), (45695, 439468), (46132, 435305), (47060, 426721), (57665, 348244), (66970, 299858), (68780, 291967), (78910, 254486), (87061, 230660), (89414, 224590), (89836, 223535), (91390, 219734), (109867, 182780), (112295, 178828), (115330, 174122), (127243, 157820), (133940, 149929)]