20121747530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{23629}}^1$

素因数の和:23775

約数の個数: 64

約数和(自身を含む): 38872673280

約数和(自身を除く): 18750925750

約数列:

[1, 2, 5, 10, 31, 41, 62, 67, 82, 134, 155, 205, 310, 335, 410, 670, 1271, 2077, 2542, 2747, 4154, 5494, 6355, 10385, 12710, 13735, 20770, 23629, 27470, 47258, 85157, 118145, 170314, 236290, 425785, 732499, 851570, 968789, 1464998, 1583143, 1937578, 3166286, 3662495, 4843945, 7324990, 7915715, 9687890, 15831430, 30032459, 49077433, 60064918, 64908863, 98154866, 129817726, 150162295, 245387165, 300324590, 324544315, 490774330, 649088630, 2012174753, 4024349506, 10060873765, 20121747530]

約数ペア:

[(1, 20121747530), (2, 10060873765), (5, 4024349506), (10, 2012174753), (31, 649088630), (41, 490774330), (62, 324544315), (67, 300324590), (82, 245387165), (134, 150162295), (155, 129817726), (205, 98154866), (310, 64908863), (335, 60064918), (410, 49077433), (670, 30032459), (1271, 15831430), (2077, 9687890), (2542, 7915715), (2747, 7324990), (4154, 4843945), (5494, 3662495), (6355, 3166286), (10385, 1937578), (12710, 1583143), (13735, 1464998), (20770, 968789), (23629, 851570), (27470, 732499), (47258, 425785), (85157, 236290), (118145, 170314)]