20218014940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{105379}}^1$

素因数の和:105622

約数の個数: 48

約数和(自身を含む): 43498334880

約数和(自身を除く): 23280319940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 181, 212, 265, 362, 530, 724, 905, 1060, 1810, 3620, 9593, 19186, 38372, 47965, 95930, 105379, 191860, 210758, 421516, 526895, 1053790, 2107580, 5585087, 11170174, 19073599, 22340348, 27925435, 38147198, 55850870, 76294396, 95367995, 111701740, 190735990, 381471980, 1010900747, 2021801494, 4043602988, 5054503735, 10109007470, 20218014940]

約数ペア:

[(1, 20218014940), (2, 10109007470), (4, 5054503735), (5, 4043602988), (10, 2021801494), (20, 1010900747), (53, 381471980), (106, 190735990), (181, 111701740), (212, 95367995), (265, 76294396), (362, 55850870), (530, 38147198), (724, 27925435), (905, 22340348), (1060, 19073599), (1810, 11170174), (3620, 5585087), (9593, 2107580), (19186, 1053790), (38372, 526895), (47965, 421516), (95930, 210758), (105379, 191860)]