20690622

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 47092032

約数和(自身を除く): 26401410

約数列:

[1, 2, 3, 6, 9, 18, 37, 47, 74, 94, 111, 141, 222, 282, 333, 423, 661, 666, 846, 1322, 1739, 1983, 3478, 3966, 5217, 5949, 10434, 11898, 15651, 24457, 31067, 31302, 48914, 62134, 73371, 93201, 146742, 186402, 220113, 279603, 440226, 559206, 1149479, 2298958, 3448437, 6896874, 10345311, 20690622]

約数ペア:

[(1, 20690622), (2, 10345311), (3, 6896874), (6, 3448437), (9, 2298958), (18, 1149479), (37, 559206), (47, 440226), (74, 279603), (94, 220113), (111, 186402), (141, 146742), (222, 93201), (282, 73371), (333, 62134), (423, 48914), (661, 31302), (666, 31067), (846, 24457), (1322, 15651), (1739, 11898), (1983, 10434), (3478, 5949), (3966, 5217)]