20210546480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{9787}}^1$

素因数の和:10194

約数の個数: 80

約数和(自身を含む): 47713446144

約数和(自身を除く): 27502899664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 311, 332, 415, 622, 664, 830, 1244, 1328, 1555, 1660, 2488, 3110, 3320, 4976, 6220, 6640, 9787, 12440, 19574, 24880, 25813, 39148, 48935, 51626, 78296, 97870, 103252, 129065, 156592, 195740, 206504, 258130, 391480, 413008, 516260, 782960, 812321, 1032520, 1624642, 2065040, 3043757, 3249284, 4061605, 6087514, 6498568, 8123210, 12175028, 12997136, 15218785, 16246420, 24350056, 30437570, 32492840, 48700112, 60875140, 64985680, 121750280, 243500560, 252631831, 505263662, 1010527324, 1263159155, 2021054648, 2526318310, 4042109296, 5052636620, 10105273240, 20210546480]

約数ペア:

[(1, 20210546480), (2, 10105273240), (4, 5052636620), (5, 4042109296), (8, 2526318310), (10, 2021054648), (16, 1263159155), (20, 1010527324), (40, 505263662), (80, 252631831), (83, 243500560), (166, 121750280), (311, 64985680), (332, 60875140), (415, 48700112), (622, 32492840), (664, 30437570), (830, 24350056), (1244, 16246420), (1328, 15218785), (1555, 12997136), (1660, 12175028), (2488, 8123210), (3110, 6498568), (3320, 6087514), (4976, 4061605), (6220, 3249284), (6640, 3043757), (9787, 2065040), (12440, 1624642), (19574, 1032520), (24880, 812321), (25813, 782960), (39148, 516260), (48935, 413008), (51626, 391480), (78296, 258130), (97870, 206504), (103252, 195740), (129065, 156592)]