20180791029

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{4409}}^1$

素因数の和:4618

約数の個数: 64

約数和(自身を含む): 32514048000

約数和(自身を除く): 12333256971

約数列:

[1, 3, 7, 21, 31, 79, 89, 93, 217, 237, 267, 553, 623, 651, 1659, 1869, 2449, 2759, 4409, 7031, 7347, 8277, 13227, 17143, 19313, 21093, 30863, 49217, 51429, 57939, 92589, 136679, 147651, 217961, 348311, 392401, 410037, 653883, 956753, 1044933, 1177203, 1525727, 2438177, 2746807, 2870259, 4577181, 7314531, 8240421, 10797641, 12164431, 30999679, 32392923, 36493293, 75583487, 85151017, 92999037, 216997753, 226750461, 255453051, 650993259, 960990049, 2882970147, 6726930343, 20180791029]

約数ペア:

[(1, 20180791029), (3, 6726930343), (7, 2882970147), (21, 960990049), (31, 650993259), (79, 255453051), (89, 226750461), (93, 216997753), (217, 92999037), (237, 85151017), (267, 75583487), (553, 36493293), (623, 32392923), (651, 30999679), (1659, 12164431), (1869, 10797641), (2449, 8240421), (2759, 7314531), (4409, 4577181), (7031, 2870259), (7347, 2746807), (8277, 2438177), (13227, 1525727), (17143, 1177203), (19313, 1044933), (21093, 956753), (30863, 653883), (49217, 410037), (51429, 392401), (57939, 348311), (92589, 217961), (136679, 147651)]