20102194868

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{51197}}^1$

素因数の和:51624

約数の個数: 48

約数和(自身を含む): 41400750720

約数和(自身を除く): 21298555852

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 379, 518, 758, 1036, 1516, 2653, 5306, 10612, 14023, 28046, 51197, 56092, 98161, 102394, 196322, 204788, 358379, 392644, 716758, 1433516, 1894289, 3788578, 7577156, 13260023, 19403663, 26520046, 38807326, 53040092, 77614652, 135825641, 271651282, 543302564, 717935531, 1435871062, 2871742124, 5025548717, 10051097434, 20102194868]

約数ペア:

[(1, 20102194868), (2, 10051097434), (4, 5025548717), (7, 2871742124), (14, 1435871062), (28, 717935531), (37, 543302564), (74, 271651282), (148, 135825641), (259, 77614652), (379, 53040092), (518, 38807326), (758, 26520046), (1036, 19403663), (1516, 13260023), (2653, 7577156), (5306, 3788578), (10612, 1894289), (14023, 1433516), (28046, 716758), (51197, 392644), (56092, 358379), (98161, 204788), (102394, 196322)]