20308470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 61737984

約数和(自身を除く): 41429514

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 43, 65, 70, 78, 86, 91, 105, 129, 130, 173, 182, 195, 210, 215, 258, 273, 301, 346, 390, 430, 455, 519, 546, 559, 602, 645, 865, 903, 910, 1038, 1118, 1211, 1290, 1365, 1505, 1677, 1730, 1806, 2249, 2422, 2595, 2730, 2795, 3010, 3354, 3633, 3913, 4498, 4515, 5190, 5590, 6055, 6747, 7266, 7439, 7826, 8385, 9030, 11245, 11739, 12110, 13494, 14878, 15743, 16770, 18165, 19565, 22317, 22490, 23478, 31486, 33735, 36330, 37195, 39130, 44634, 47229, 52073, 58695, 67470, 74390, 78715, 94458, 96707, 104146, 111585, 117390, 156219, 157430, 193414, 223170, 236145, 260365, 290121, 312438, 472290, 483535, 520730, 580242, 676949, 781095, 967070, 1353898, 1450605, 1562190, 2030847, 2901210, 3384745, 4061694, 6769490, 10154235, 20308470]

約数ペア:

[(1, 20308470), (2, 10154235), (3, 6769490), (5, 4061694), (6, 3384745), (7, 2901210), (10, 2030847), (13, 1562190), (14, 1450605), (15, 1353898), (21, 967070), (26, 781095), (30, 676949), (35, 580242), (39, 520730), (42, 483535), (43, 472290), (65, 312438), (70, 290121), (78, 260365), (86, 236145), (91, 223170), (105, 193414), (129, 157430), (130, 156219), (173, 117390), (182, 111585), (195, 104146), (210, 96707), (215, 94458), (258, 78715), (273, 74390), (301, 67470), (346, 58695), (390, 52073), (430, 47229), (455, 44634), (519, 39130), (546, 37195), (559, 36330), (602, 33735), (645, 31486), (865, 23478), (903, 22490), (910, 22317), (1038, 19565), (1118, 18165), (1211, 16770), (1290, 15743), (1365, 14878), (1505, 13494), (1677, 12110), (1730, 11739), (1806, 11245), (2249, 9030), (2422, 8385), (2595, 7826), (2730, 7439), (2795, 7266), (3010, 6747), (3354, 6055), (3633, 5590), (3913, 5190), (4498, 4515)]