20123231428

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{7043}}^1\times {\mathrm{24631}}^1$

素因数の和:31707

約数の個数: 24

約数和(自身を含む): 36436639680

約数和(自身を除く): 16313408252

約数列:

[1, 2, 4, 29, 58, 116, 7043, 14086, 24631, 28172, 49262, 98524, 204247, 408494, 714299, 816988, 1428598, 2857196, 173476133, 346952266, 693904532, 5030807857, 10061615714, 20123231428]

約数ペア:

[(1, 20123231428), (2, 10061615714), (4, 5030807857), (29, 693904532), (58, 346952266), (116, 173476133), (7043, 2857196), (14086, 1428598), (24631, 816988), (28172, 714299), (49262, 408494), (98524, 204247)]