20455410140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{176431}}^1$

素因数の和:176499

約数の個数: 96

約数和(自身を含む): 51218915328

約数和(自身を除く): 30763505188

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 124, 155, 170, 187, 220, 310, 340, 341, 374, 527, 620, 682, 748, 935, 1054, 1364, 1705, 1870, 2108, 2635, 3410, 3740, 5270, 5797, 6820, 10540, 11594, 23188, 28985, 57970, 115940, 176431, 352862, 705724, 882155, 1764310, 1940741, 2999327, 3528620, 3881482, 5469361, 5998654, 7762964, 9703705, 10938722, 11997308, 14996635, 19407410, 21877444, 27346805, 29993270, 32992597, 38814820, 54693610, 59986540, 60162971, 65985194, 92979137, 109387220, 120325942, 131970388, 164962985, 185958274, 240651884, 300814855, 329925970, 371916548, 464895685, 601629710, 659851940, 929791370, 1022770507, 1203259420, 1859582740, 2045541014, 4091082028, 5113852535, 10227705070, 20455410140]

約数ペア:

[(1, 20455410140), (2, 10227705070), (4, 5113852535), (5, 4091082028), (10, 2045541014), (11, 1859582740), (17, 1203259420), (20, 1022770507), (22, 929791370), (31, 659851940), (34, 601629710), (44, 464895685), (55, 371916548), (62, 329925970), (68, 300814855), (85, 240651884), (110, 185958274), (124, 164962985), (155, 131970388), (170, 120325942), (187, 109387220), (220, 92979137), (310, 65985194), (340, 60162971), (341, 59986540), (374, 54693610), (527, 38814820), (620, 32992597), (682, 29993270), (748, 27346805), (935, 21877444), (1054, 19407410), (1364, 14996635), (1705, 11997308), (1870, 10938722), (2108, 9703705), (2635, 7762964), (3410, 5998654), (3740, 5469361), (5270, 3881482), (5797, 3528620), (6820, 2999327), (10540, 1940741), (11594, 1764310), (23188, 882155), (28985, 705724), (57970, 352862), (115940, 176431)]