20897844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5107}}^1$

素因数の和:5156

約数の個数: 48

約数和(自身を含む): 54921216

約数和(自身を除く): 34023372

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 5107, 10214, 15321, 20428, 30642, 56177, 61284, 112354, 158317, 168531, 224708, 316634, 337062, 474951, 633268, 674124, 949902, 1741487, 1899804, 3482974, 5224461, 6965948, 10448922, 20897844]

約数ペア:

[(1, 20897844), (2, 10448922), (3, 6965948), (4, 5224461), (6, 3482974), (11, 1899804), (12, 1741487), (22, 949902), (31, 674124), (33, 633268), (44, 474951), (62, 337062), (66, 316634), (93, 224708), (124, 168531), (132, 158317), (186, 112354), (341, 61284), (372, 56177), (682, 30642), (1023, 20428), (1364, 15321), (2046, 10214), (4092, 5107)]