20992764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3637}}^1$

素因数の和:3694

約数の個数: 48

約数和(自身を含む): 54191648

約数和(自身を除く): 33198884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3637, 5772, 7274, 10911, 14548, 21822, 43644, 47281, 94562, 134569, 141843, 189124, 269138, 283686, 403707, 538276, 567372, 807414, 1614828, 1749397, 3498794, 5248191, 6997588, 10496382, 20992764]

約数ペア:

[(1, 20992764), (2, 10496382), (3, 6997588), (4, 5248191), (6, 3498794), (12, 1749397), (13, 1614828), (26, 807414), (37, 567372), (39, 538276), (52, 403707), (74, 283686), (78, 269138), (111, 189124), (148, 141843), (156, 134569), (222, 94562), (444, 47281), (481, 43644), (962, 21822), (1443, 14548), (1924, 10911), (2886, 7274), (3637, 5772)]