20970229

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2357}}^1$

素因数の和:2436

約数の個数: 16

約数和(自身を含む): 25353216

約数和(自身を除く): 4382987

約数列:

[1, 7, 31, 41, 217, 287, 1271, 2357, 8897, 16499, 73067, 96637, 511469, 676459, 2995747, 20970229]

約数ペア:

[(1, 20970229), (7, 2995747), (31, 676459), (41, 511469), (217, 96637), (287, 73067), (1271, 16499), (2357, 8897)]