20197274952

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{65171}}^1$

素因数の和:65566

約数の個数: 64

約数和(自身を含む): 52007256000

約数和(自身を除く): 31809981048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 349, 444, 698, 888, 1047, 1396, 2094, 2792, 4188, 8376, 12913, 25826, 38739, 51652, 65171, 77478, 103304, 130342, 154956, 195513, 260684, 309912, 391026, 521368, 782052, 1564104, 2411327, 4822654, 7233981, 9645308, 14467962, 19290616, 22744679, 28935924, 45489358, 57871848, 68234037, 90978716, 136468074, 181957432, 272936148, 545872296, 841553123, 1683106246, 2524659369, 3366212492, 5049318738, 6732424984, 10098637476, 20197274952]

約数ペア:

[(1, 20197274952), (2, 10098637476), (3, 6732424984), (4, 5049318738), (6, 3366212492), (8, 2524659369), (12, 1683106246), (24, 841553123), (37, 545872296), (74, 272936148), (111, 181957432), (148, 136468074), (222, 90978716), (296, 68234037), (349, 57871848), (444, 45489358), (698, 28935924), (888, 22744679), (1047, 19290616), (1396, 14467962), (2094, 9645308), (2792, 7233981), (4188, 4822654), (8376, 2411327), (12913, 1564104), (25826, 782052), (38739, 521368), (51652, 391026), (65171, 309912), (77478, 260684), (103304, 195513), (130342, 154956)]