20412702

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 47520000

約数和(自身を除く): 27107298

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 59, 86, 118, 129, 149, 177, 258, 298, 354, 387, 447, 531, 774, 894, 1062, 1161, 1341, 1593, 2322, 2537, 2682, 3186, 4023, 5074, 6407, 7611, 8046, 8791, 12814, 15222, 17582, 19221, 22833, 26373, 38442, 45666, 52746, 57663, 68499, 79119, 115326, 136998, 158238, 172989, 237357, 345978, 378013, 474714, 756026, 1134039, 2268078, 3402117, 6804234, 10206351, 20412702]

約数ペア:

[(1, 20412702), (2, 10206351), (3, 6804234), (6, 3402117), (9, 2268078), (18, 1134039), (27, 756026), (43, 474714), (54, 378013), (59, 345978), (86, 237357), (118, 172989), (129, 158238), (149, 136998), (177, 115326), (258, 79119), (298, 68499), (354, 57663), (387, 52746), (447, 45666), (531, 38442), (774, 26373), (894, 22833), (1062, 19221), (1161, 17582), (1341, 15222), (1593, 12814), (2322, 8791), (2537, 8046), (2682, 7611), (3186, 6407), (4023, 5074)]