20121855448

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{145819}}^1$

素因数の和:146239

約数の個数: 32

約数和(自身を含む): 38636467200

約数和(自身を除く): 18514611752

約数列:

[1, 2, 4, 8, 47, 94, 188, 367, 376, 734, 1468, 2936, 17249, 34498, 68996, 137992, 145819, 291638, 583276, 1166552, 6853493, 13706986, 27413972, 53515573, 54827944, 107031146, 214062292, 428124584, 2515231931, 5030463862, 10060927724, 20121855448]

約数ペア:

[(1, 20121855448), (2, 10060927724), (4, 5030463862), (8, 2515231931), (47, 428124584), (94, 214062292), (188, 107031146), (367, 54827944), (376, 53515573), (734, 27413972), (1468, 13706986), (2936, 6853493), (17249, 1166552), (34498, 583276), (68996, 291638), (137992, 145819)]