20951908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8893}}^1$

素因数の和:8947

約数の個数: 24

約数和(自身を含む): 39845120

約数和(自身を除く): 18893212

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8893, 17786, 35572, 168967, 275683, 337934, 551366, 675868, 1102732, 5237977, 10475954, 20951908]

約数ペア:

[(1, 20951908), (2, 10475954), (4, 5237977), (19, 1102732), (31, 675868), (38, 551366), (62, 337934), (76, 275683), (124, 168967), (589, 35572), (1178, 17786), (2356, 8893)]