20123323780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7933}}^1\times {\mathrm{18119}}^1$

素因数の和:26068

約数の個数: 48

約数和(自身を含む): 48304730880

約数和(自身を除く): 28181407100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7933, 15866, 18119, 31732, 36238, 39665, 55531, 72476, 79330, 90595, 111062, 126833, 158660, 181190, 222124, 253666, 277655, 362380, 507332, 555310, 634165, 1110620, 1268330, 2536660, 143738027, 287476054, 574952108, 718690135, 1006166189, 1437380270, 2012332378, 2874760540, 4024664756, 5030830945, 10061661890, 20123323780]

約数ペア:

[(1, 20123323780), (2, 10061661890), (4, 5030830945), (5, 4024664756), (7, 2874760540), (10, 2012332378), (14, 1437380270), (20, 1006166189), (28, 718690135), (35, 574952108), (70, 287476054), (140, 143738027), (7933, 2536660), (15866, 1268330), (18119, 1110620), (31732, 634165), (36238, 555310), (39665, 507332), (55531, 362380), (72476, 277655), (79330, 253666), (90595, 222124), (111062, 181190), (126833, 158660)]