20114970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 30978534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 503, 645, 930, 1006, 1290, 1333, 1509, 2515, 2666, 3018, 3999, 5030, 6665, 7545, 7998, 13330, 15090, 15593, 19995, 21629, 31186, 39990, 43258, 46779, 64887, 77965, 93558, 108145, 129774, 155930, 216290, 233895, 324435, 467790, 648870, 670499, 1340998, 2011497, 3352495, 4022994, 6704990, 10057485, 20114970]

約数ペア:

[(1, 20114970), (2, 10057485), (3, 6704990), (5, 4022994), (6, 3352495), (10, 2011497), (15, 1340998), (30, 670499), (31, 648870), (43, 467790), (62, 324435), (86, 233895), (93, 216290), (129, 155930), (155, 129774), (186, 108145), (215, 93558), (258, 77965), (310, 64887), (430, 46779), (465, 43258), (503, 39990), (645, 31186), (930, 21629), (1006, 19995), (1290, 15593), (1333, 15090), (1509, 13330), (2515, 7998), (2666, 7545), (3018, 6665), (3999, 5030)]