20125909430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{164683}}^1$

素因数の和:164813

約数の個数: 48

約数和(自身を含む): 40213856592

約数和(自身を除く): 20087947162

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 121, 202, 242, 505, 605, 1010, 1111, 1210, 2222, 5555, 11110, 12221, 24442, 61105, 122210, 164683, 329366, 823415, 1646830, 1811513, 3623026, 9057565, 16632983, 18115130, 19926643, 33265966, 39853286, 83164915, 99633215, 166329830, 182962813, 199266430, 365925626, 914814065, 1829628130, 2012590943, 4025181886, 10062954715, 20125909430]

約数ペア:

[(1, 20125909430), (2, 10062954715), (5, 4025181886), (10, 2012590943), (11, 1829628130), (22, 914814065), (55, 365925626), (101, 199266430), (110, 182962813), (121, 166329830), (202, 99633215), (242, 83164915), (505, 39853286), (605, 33265966), (1010, 19926643), (1111, 18115130), (1210, 16632983), (2222, 9057565), (5555, 3623026), (11110, 1811513), (12221, 1646830), (24442, 823415), (61105, 329366), (122210, 164683)]