20870226

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89189}}^1$

素因数の和:89210

約数の個数: 24

約数和(自身を含む): 48697740

約数和(自身を除く): 27827514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89189, 178378, 267567, 535134, 802701, 1159457, 1605402, 2318914, 3478371, 6956742, 10435113, 20870226]

約数ペア:

[(1, 20870226), (2, 10435113), (3, 6956742), (6, 3478371), (9, 2318914), (13, 1605402), (18, 1159457), (26, 802701), (39, 535134), (78, 267567), (117, 178378), (234, 89189)]