20165315488

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1499}}^1$

素因数の和:1802

約数の個数: 96

約数和(自身を含む): 41803776000

約数和(自身を除く): 21638460512

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 71, 124, 142, 191, 248, 284, 382, 496, 568, 764, 992, 1136, 1499, 1528, 2201, 2272, 2998, 3056, 4402, 5921, 5996, 6112, 8804, 11842, 11992, 13561, 17608, 23684, 23984, 27122, 35216, 46469, 47368, 47968, 54244, 70432, 92938, 94736, 106429, 108488, 185876, 189472, 212858, 216976, 286309, 371752, 420391, 425716, 433952, 572618, 743504, 840782, 851432, 1145236, 1487008, 1681564, 1702864, 2290472, 3299299, 3363128, 3405728, 4580944, 6598598, 6726256, 8875579, 9161888, 13197196, 13452512, 17751158, 20327939, 26394392, 35502316, 40655878, 52788784, 71004632, 81311756, 105577568, 142009264, 162623512, 284018528, 325247024, 630166109, 650494048, 1260332218, 2520664436, 5041328872, 10082657744, 20165315488]

約数ペア:

[(1, 20165315488), (2, 10082657744), (4, 5041328872), (8, 2520664436), (16, 1260332218), (31, 650494048), (32, 630166109), (62, 325247024), (71, 284018528), (124, 162623512), (142, 142009264), (191, 105577568), (248, 81311756), (284, 71004632), (382, 52788784), (496, 40655878), (568, 35502316), (764, 26394392), (992, 20327939), (1136, 17751158), (1499, 13452512), (1528, 13197196), (2201, 9161888), (2272, 8875579), (2998, 6726256), (3056, 6598598), (4402, 4580944), (5921, 3405728), (5996, 3363128), (6112, 3299299), (8804, 2290472), (11842, 1702864), (11992, 1681564), (13561, 1487008), (17608, 1145236), (23684, 851432), (23984, 840782), (27122, 743504), (35216, 572618), (46469, 433952), (47368, 425716), (47968, 420391), (54244, 371752), (70432, 286309), (92938, 216976), (94736, 212858), (106429, 189472), (108488, 185876)]