20816658348536

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{4603}}^1\times {\mathrm{61667}}^1$

素因数の和:66468

約数の個数: 64

約数和(自身を含む): 39862293868800

約数和(自身を除く): 19045635520264

約数列:

[1, 2, 4, 8, 89, 103, 178, 206, 356, 412, 712, 824, 4603, 9167, 9206, 18334, 18412, 36668, 36824, 61667, 73336, 123334, 246668, 409667, 474109, 493336, 819334, 948218, 1638668, 1896436, 3277336, 3792872, 5488363, 6351701, 10976726, 12703402, 21953452, 25406804, 42195701, 43906904, 50813608, 84391402, 168782804, 283853201, 337565608, 565301389, 567706402, 1130602778, 1135412804, 2261205556, 2270825608, 4522411112, 25262934889, 29236879703, 50525869778, 58473759406, 101051739556, 116947518812, 202103479112, 233895037624, 2602082293567, 5204164587134, 10408329174268, 20816658348536]

約数ペア:

[(1, 20816658348536), (2, 10408329174268), (4, 5204164587134), (8, 2602082293567), (89, 233895037624), (103, 202103479112), (178, 116947518812), (206, 101051739556), (356, 58473759406), (412, 50525869778), (712, 29236879703), (824, 25262934889), (4603, 4522411112), (9167, 2270825608), (9206, 2261205556), (18334, 1135412804), (18412, 1130602778), (36668, 567706402), (36824, 565301389), (61667, 337565608), (73336, 283853201), (123334, 168782804), (246668, 84391402), (409667, 50813608), (474109, 43906904), (493336, 42195701), (819334, 25406804), (948218, 21953452), (1638668, 12703402), (1896436, 10976726), (3277336, 6351701), (3792872, 5488363)]