20757270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32119530

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 67, 69, 115, 134, 138, 201, 230, 335, 345, 402, 449, 670, 690, 898, 1005, 1347, 1541, 2010, 2245, 2694, 3082, 4490, 4623, 6735, 7705, 9246, 10327, 13470, 15410, 20654, 23115, 30083, 30981, 46230, 51635, 60166, 61962, 90249, 103270, 150415, 154905, 180498, 300830, 309810, 451245, 691909, 902490, 1383818, 2075727, 3459545, 4151454, 6919090, 10378635, 20757270]

約数ペア:

[(1, 20757270), (2, 10378635), (3, 6919090), (5, 4151454), (6, 3459545), (10, 2075727), (15, 1383818), (23, 902490), (30, 691909), (46, 451245), (67, 309810), (69, 300830), (115, 180498), (134, 154905), (138, 150415), (201, 103270), (230, 90249), (335, 61962), (345, 60166), (402, 51635), (449, 46230), (670, 30981), (690, 30083), (898, 23115), (1005, 20654), (1347, 15410), (1541, 13470), (2010, 10327), (2245, 9246), (2694, 7705), (3082, 6735), (4490, 4623)]