20148177532

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{21089}}^1$

素因数の和:21478

約数の個数: 48

約数和(自身を含む): 40745880000

約数和(自身を除く): 20597702468

約数列:

[1, 2, 4, 7, 14, 28, 149, 229, 298, 458, 596, 916, 1043, 1603, 2086, 3206, 4172, 6412, 21089, 34121, 42178, 68242, 84356, 136484, 147623, 238847, 295246, 477694, 590492, 955388, 3142261, 4829381, 6284522, 9658762, 12569044, 19317524, 21995827, 33805667, 43991654, 67611334, 87983308, 135222668, 719577769, 1439155538, 2878311076, 5037044383, 10074088766, 20148177532]

約数ペア:

[(1, 20148177532), (2, 10074088766), (4, 5037044383), (7, 2878311076), (14, 1439155538), (28, 719577769), (149, 135222668), (229, 87983308), (298, 67611334), (458, 43991654), (596, 33805667), (916, 21995827), (1043, 19317524), (1603, 12569044), (2086, 9658762), (3206, 6284522), (4172, 4829381), (6412, 3142261), (21089, 955388), (34121, 590492), (42178, 477694), (68242, 295246), (84356, 238847), (136484, 147623)]