20218988330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2103953}}^1$

素因数の和:2104022

約数の個数: 24

約数和(自身を含む): 37606073796

約数和(自身を除く): 17387085466

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 9610, 2103953, 4207906, 10519765, 21039530, 65222543, 130445086, 326112715, 652225430, 2021898833, 4043797666, 10109494165, 20218988330]

約数ペア:

[(1, 20218988330), (2, 10109494165), (5, 4043797666), (10, 2021898833), (31, 652225430), (62, 326112715), (155, 130445086), (310, 65222543), (961, 21039530), (1922, 10519765), (4805, 4207906), (9610, 2103953)]