20936286

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 53813760

約数和(自身を除く): 32877474

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 97, 126, 189, 194, 291, 378, 571, 582, 679, 873, 1142, 1358, 1713, 1746, 2037, 2619, 3426, 3997, 4074, 5139, 5238, 6111, 7994, 10278, 11991, 12222, 15417, 18333, 23982, 30834, 35973, 36666, 55387, 71946, 107919, 110774, 166161, 215838, 332322, 387709, 498483, 775418, 996966, 1163127, 1495449, 2326254, 2990898, 3489381, 6978762, 10468143, 20936286]

約数ペア:

[(1, 20936286), (2, 10468143), (3, 6978762), (6, 3489381), (7, 2990898), (9, 2326254), (14, 1495449), (18, 1163127), (21, 996966), (27, 775418), (42, 498483), (54, 387709), (63, 332322), (97, 215838), (126, 166161), (189, 110774), (194, 107919), (291, 71946), (378, 55387), (571, 36666), (582, 35973), (679, 30834), (873, 23982), (1142, 18333), (1358, 15417), (1713, 12222), (1746, 11991), (2037, 10278), (2619, 7994), (3426, 6111), (3997, 5238), (4074, 5139)]