20145841360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13253843}}^1$

素因数の和:13253875

約数の個数: 40

約数和(自身を含む): 49304299680

約数和(自身を除く): 29158458320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13253843, 26507686, 53015372, 66269215, 106030744, 132538430, 212061488, 251823017, 265076860, 503646034, 530153720, 1007292068, 1060307440, 1259115085, 2014584136, 2518230170, 4029168272, 5036460340, 10072920680, 20145841360]

約数ペア:

[(1, 20145841360), (2, 10072920680), (4, 5036460340), (5, 4029168272), (8, 2518230170), (10, 2014584136), (16, 1259115085), (19, 1060307440), (20, 1007292068), (38, 530153720), (40, 503646034), (76, 265076860), (80, 251823017), (95, 212061488), (152, 132538430), (190, 106030744), (304, 66269215), (380, 53015372), (760, 26507686), (1520, 13253843)]