20214170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 37863936

約数和(自身を除く): 17649766

約数列:

[1, 2, 5, 10, 31, 62, 155, 197, 310, 331, 394, 662, 985, 1655, 1970, 3310, 6107, 10261, 12214, 20522, 30535, 51305, 61070, 65207, 102610, 130414, 326035, 652070, 2021417, 4042834, 10107085, 20214170]

約数ペア:

[(1, 20214170), (2, 10107085), (5, 4042834), (10, 2021417), (31, 652070), (62, 326035), (155, 130414), (197, 102610), (310, 65207), (331, 61070), (394, 51305), (662, 30535), (985, 20522), (1655, 12214), (1970, 10261), (3310, 6107)]