20175403780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4451}}^1\times {\mathrm{32377}}^1$

素因数の和:36844

約数の個数: 48

約数和(自身を含む): 48433343616

約数和(自身を除く): 28257939836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4451, 8902, 17804, 22255, 31157, 32377, 44510, 62314, 64754, 89020, 124628, 129508, 155785, 161885, 226639, 311570, 323770, 453278, 623140, 647540, 906556, 1133195, 2266390, 4532780, 144110027, 288220054, 576440108, 720550135, 1008770189, 1441100270, 2017540378, 2882200540, 4035080756, 5043850945, 10087701890, 20175403780]

約数ペア:

[(1, 20175403780), (2, 10087701890), (4, 5043850945), (5, 4035080756), (7, 2882200540), (10, 2017540378), (14, 1441100270), (20, 1008770189), (28, 720550135), (35, 576440108), (70, 288220054), (140, 144110027), (4451, 4532780), (8902, 2266390), (17804, 1133195), (22255, 906556), (31157, 647540), (32377, 623140), (44510, 453278), (62314, 323770), (64754, 311570), (89020, 226639), (124628, 161885), (129508, 155785)]