20657558784

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{45667}}^1$

素因数の和:45736

約数の個数: 144

約数和(自身を含む): 59741050880

約数和(自身を除く): 39083492096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 256, 304, 372, 384, 456, 496, 589, 608, 744, 768, 912, 992, 1178, 1216, 1488, 1767, 1824, 1984, 2356, 2432, 2976, 3534, 3648, 3968, 4712, 4864, 5952, 7068, 7296, 7936, 9424, 11904, 14136, 14592, 18848, 23808, 28272, 37696, 45667, 56544, 75392, 91334, 113088, 137001, 150784, 182668, 226176, 274002, 365336, 452352, 548004, 730672, 867673, 1096008, 1415677, 1461344, 1735346, 2192016, 2603019, 2831354, 2922688, 3470692, 4247031, 4384032, 5206038, 5662708, 5845376, 6941384, 8494062, 8768064, 10412076, 11325416, 11690752, 13882768, 16988124, 17536128, 20824152, 22650832, 26897863, 27765536, 33976248, 35072256, 41648304, 45301664, 53795726, 55531072, 67952496, 80693589, 83296608, 90603328, 107591452, 111062144, 135904992, 161387178, 166593216, 181206656, 215182904, 222124288, 271809984, 322774356, 333186432, 362413312, 430365808, 543619968, 645548712, 666372864, 860731616, 1087239936, 1291097424, 1721463232, 2582194848, 3442926464, 5164389696, 6885852928, 10328779392, 20657558784]

約数ペア:

[(1, 20657558784), (2, 10328779392), (3, 6885852928), (4, 5164389696), (6, 3442926464), (8, 2582194848), (12, 1721463232), (16, 1291097424), (19, 1087239936), (24, 860731616), (31, 666372864), (32, 645548712), (38, 543619968), (48, 430365808), (57, 362413312), (62, 333186432), (64, 322774356), (76, 271809984), (93, 222124288), (96, 215182904), (114, 181206656), (124, 166593216), (128, 161387178), (152, 135904992), (186, 111062144), (192, 107591452), (228, 90603328), (248, 83296608), (256, 80693589), (304, 67952496), (372, 55531072), (384, 53795726), (456, 45301664), (496, 41648304), (589, 35072256), (608, 33976248), (744, 27765536), (768, 26897863), (912, 22650832), (992, 20824152), (1178, 17536128), (1216, 16988124), (1488, 13882768), (1767, 11690752), (1824, 11325416), (1984, 10412076), (2356, 8768064), (2432, 8494062), (2976, 6941384), (3534, 5845376), (3648, 5662708), (3968, 5206038), (4712, 4384032), (4864, 4247031), (5952, 3470692), (7068, 2922688), (7296, 2831354), (7936, 2603019), (9424, 2192016), (11904, 1735346), (14136, 1461344), (14592, 1415677), (18848, 1096008), (23808, 867673), (28272, 730672), (37696, 548004), (45667, 452352), (56544, 365336), (75392, 274002), (91334, 226176), (113088, 182668), (137001, 150784)]