20653674

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 45062688

約数和(自身を除く): 24409014

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 277, 289, 554, 578, 731, 831, 867, 1462, 1662, 1734, 2193, 4386, 4709, 9418, 11911, 12427, 14127, 23822, 24854, 28254, 35733, 37281, 71466, 74562, 80053, 160106, 202487, 240159, 404974, 480318, 607461, 1214922, 3442279, 6884558, 10326837, 20653674]

約数ペア:

[(1, 20653674), (2, 10326837), (3, 6884558), (6, 3442279), (17, 1214922), (34, 607461), (43, 480318), (51, 404974), (86, 240159), (102, 202487), (129, 160106), (258, 80053), (277, 74562), (289, 71466), (554, 37281), (578, 35733), (731, 28254), (831, 24854), (867, 23822), (1462, 14127), (1662, 12427), (1734, 11911), (2193, 9418), (4386, 4709)]