20147220652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^2$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 39035543456

約数和(自身を除く): 18888322804

約数列:

[1, 2, 4, 13, 26, 52, 73, 103, 146, 206, 227, 292, 412, 454, 908, 949, 1339, 1898, 2678, 2951, 3796, 5356, 5902, 7519, 11804, 15038, 16571, 23381, 30076, 33142, 46762, 51529, 66284, 93524, 97747, 103058, 195494, 206116, 215423, 303953, 390988, 430846, 607906, 669877, 861692, 1215812, 1339754, 1706813, 2679508, 3413626, 3761617, 5307487, 6827252, 7523234, 10614974, 15046468, 21229948, 22188569, 44377138, 48901021, 68997331, 88754276, 97802042, 137994662, 195604084, 275989324, 387446551, 774893102, 1549786204, 5036805163, 10073610326, 20147220652]

約数ペア:

[(1, 20147220652), (2, 10073610326), (4, 5036805163), (13, 1549786204), (26, 774893102), (52, 387446551), (73, 275989324), (103, 195604084), (146, 137994662), (206, 97802042), (227, 88754276), (292, 68997331), (412, 48901021), (454, 44377138), (908, 22188569), (949, 21229948), (1339, 15046468), (1898, 10614974), (2678, 7523234), (2951, 6827252), (3796, 5307487), (5356, 3761617), (5902, 3413626), (7519, 2679508), (11804, 1706813), (15038, 1339754), (16571, 1215812), (23381, 861692), (30076, 669877), (33142, 607906), (46762, 430846), (51529, 390988), (66284, 303953), (93524, 215423), (97747, 206116), (103058, 195494)]