20069710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 37718784

約数和(自身を除く): 17649074

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 641, 1010, 1282, 3131, 3205, 6262, 6410, 15655, 19871, 31310, 39742, 64741, 99355, 129482, 198710, 323705, 647410, 2006971, 4013942, 10034855, 20069710]

約数ペア:

[(1, 20069710), (2, 10034855), (5, 4013942), (10, 2006971), (31, 647410), (62, 323705), (101, 198710), (155, 129482), (202, 99355), (310, 64741), (505, 39742), (641, 31310), (1010, 19871), (1282, 15655), (3131, 6410), (3205, 6262)]