20512754406

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{76519}}^1$

素因数の和:76861

約数の個数: 48

約数和(自身を含む): 45444615840

約数和(自身を除く): 24931861434

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 281, 318, 477, 562, 843, 954, 1686, 2529, 5058, 14893, 29786, 44679, 76519, 89358, 134037, 153038, 229557, 268074, 459114, 688671, 1377342, 4055507, 8111014, 12166521, 21501839, 24333042, 36499563, 43003678, 64505517, 72999126, 129011034, 193516551, 387033102, 1139597467, 2279194934, 3418792401, 6837584802, 10256377203, 20512754406]

約数ペア:

[(1, 20512754406), (2, 10256377203), (3, 6837584802), (6, 3418792401), (9, 2279194934), (18, 1139597467), (53, 387033102), (106, 193516551), (159, 129011034), (281, 72999126), (318, 64505517), (477, 43003678), (562, 36499563), (843, 24333042), (954, 21501839), (1686, 12166521), (2529, 8111014), (5058, 4055507), (14893, 1377342), (29786, 688671), (44679, 459114), (76519, 268074), (89358, 229557), (134037, 153038)]