20298170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 18711430

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 859, 1390, 1718, 2363, 4295, 4726, 8590, 11815, 14603, 23630, 29206, 73015, 119401, 146030, 238802, 597005, 1194010, 2029817, 4059634, 10149085, 20298170]

約数ペア:

[(1, 20298170), (2, 10149085), (5, 4059634), (10, 2029817), (17, 1194010), (34, 597005), (85, 238802), (139, 146030), (170, 119401), (278, 73015), (695, 29206), (859, 23630), (1390, 14603), (1718, 11815), (2363, 8590), (4295, 4726)]