20126077940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1\times {\mathrm{61657}}^1$

素因数の和:62544

約数の個数: 48

約数和(自身を含む): 44541739200

約数和(自身を除く): 24415661260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 859, 1718, 3436, 4295, 8590, 16321, 17180, 32642, 61657, 65284, 81605, 123314, 163210, 246628, 308285, 326420, 616570, 1171483, 1233140, 2342966, 4685932, 5857415, 11714830, 23429660, 52963363, 105926726, 211853452, 264816815, 529633630, 1006303897, 1059267260, 2012607794, 4025215588, 5031519485, 10063038970, 20126077940]

約数ペア:

[(1, 20126077940), (2, 10063038970), (4, 5031519485), (5, 4025215588), (10, 2012607794), (19, 1059267260), (20, 1006303897), (38, 529633630), (76, 264816815), (95, 211853452), (190, 105926726), (380, 52963363), (859, 23429660), (1718, 11714830), (3436, 5857415), (4295, 4685932), (8590, 2342966), (16321, 1233140), (17180, 1171483), (32642, 616570), (61657, 326420), (65284, 308285), (81605, 246628), (123314, 163210)]