20687524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 43323840

約数和(自身を除く): 22636316

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 59, 118, 143, 236, 286, 572, 613, 649, 767, 1226, 1298, 1534, 2452, 2596, 3068, 6743, 7969, 8437, 13486, 15938, 16874, 26972, 31876, 33748, 36167, 72334, 87659, 144668, 175318, 350636, 397837, 470171, 795674, 940342, 1591348, 1880684, 5171881, 10343762, 20687524]

約数ペア:

[(1, 20687524), (2, 10343762), (4, 5171881), (11, 1880684), (13, 1591348), (22, 940342), (26, 795674), (44, 470171), (52, 397837), (59, 350636), (118, 175318), (143, 144668), (236, 87659), (286, 72334), (572, 36167), (613, 33748), (649, 31876), (767, 26972), (1226, 16874), (1298, 15938), (1534, 13486), (2452, 8437), (2596, 7969), (3068, 6743)]