20693274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 49496832

約数和(自身を除く): 28803558

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 61, 82, 122, 123, 183, 197, 246, 287, 366, 394, 427, 574, 591, 854, 861, 1182, 1281, 1379, 1722, 2501, 2562, 2758, 4137, 5002, 7503, 8077, 8274, 12017, 15006, 16154, 17507, 24034, 24231, 35014, 36051, 48462, 52521, 56539, 72102, 84119, 105042, 113078, 168238, 169617, 252357, 339234, 492697, 504714, 985394, 1478091, 2956182, 3448879, 6897758, 10346637, 20693274]

約数ペア:

[(1, 20693274), (2, 10346637), (3, 6897758), (6, 3448879), (7, 2956182), (14, 1478091), (21, 985394), (41, 504714), (42, 492697), (61, 339234), (82, 252357), (122, 169617), (123, 168238), (183, 113078), (197, 105042), (246, 84119), (287, 72102), (366, 56539), (394, 52521), (427, 48462), (574, 36051), (591, 35014), (854, 24231), (861, 24034), (1182, 17507), (1281, 16154), (1379, 15006), (1722, 12017), (2501, 8274), (2562, 8077), (2758, 7503), (4137, 5002)]