20200540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 44085888

約数和(自身を除く): 23885348

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 283, 332, 415, 430, 566, 830, 860, 1132, 1415, 1660, 2830, 3569, 5660, 7138, 12169, 14276, 17845, 23489, 24338, 35690, 46978, 48676, 60845, 71380, 93956, 117445, 121690, 234890, 243380, 469780, 1010027, 2020054, 4040108, 5050135, 10100270, 20200540]

約数ペア:

[(1, 20200540), (2, 10100270), (4, 5050135), (5, 4040108), (10, 2020054), (20, 1010027), (43, 469780), (83, 243380), (86, 234890), (166, 121690), (172, 117445), (215, 93956), (283, 71380), (332, 60845), (415, 48676), (430, 46978), (566, 35690), (830, 24338), (860, 23489), (1132, 17845), (1415, 14276), (1660, 12169), (2830, 7138), (3569, 5660)]