20788476

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 33401604

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 41, 47, 58, 62, 82, 87, 93, 94, 116, 123, 124, 141, 164, 174, 186, 188, 246, 282, 348, 372, 492, 564, 899, 1189, 1271, 1363, 1457, 1798, 1927, 2378, 2542, 2697, 2726, 2914, 3567, 3596, 3813, 3854, 4089, 4371, 4756, 5084, 5394, 5452, 5781, 5828, 7134, 7626, 7708, 8178, 8742, 10788, 11562, 14268, 15252, 16356, 17484, 23124, 36859, 42253, 55883, 59737, 73718, 84506, 110577, 111766, 119474, 126759, 147436, 167649, 169012, 179211, 221154, 223532, 238948, 253518, 335298, 358422, 442308, 507036, 670596, 716844, 1732373, 3464746, 5197119, 6929492, 10394238, 20788476]

約数ペア:

[(1, 20788476), (2, 10394238), (3, 6929492), (4, 5197119), (6, 3464746), (12, 1732373), (29, 716844), (31, 670596), (41, 507036), (47, 442308), (58, 358422), (62, 335298), (82, 253518), (87, 238948), (93, 223532), (94, 221154), (116, 179211), (123, 169012), (124, 167649), (141, 147436), (164, 126759), (174, 119474), (186, 111766), (188, 110577), (246, 84506), (282, 73718), (348, 59737), (372, 55883), (492, 42253), (564, 36859), (899, 23124), (1189, 17484), (1271, 16356), (1363, 15252), (1457, 14268), (1798, 11562), (1927, 10788), (2378, 8742), (2542, 8178), (2697, 7708), (2726, 7626), (2914, 7134), (3567, 5828), (3596, 5781), (3813, 5452), (3854, 5394), (4089, 5084), (4371, 4756)]