20211057420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8215877}}^1$

素因数の和:8215930

約数の個数: 48

約数和(自身を含む): 57971235168

約数和(自身を除く): 37760177748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8215877, 16431754, 24647631, 32863508, 41079385, 49295262, 82158770, 98590524, 123238155, 164317540, 246476310, 336850957, 492952620, 673701914, 1010552871, 1347403828, 1684254785, 2021105742, 3368509570, 4042211484, 5052764355, 6737019140, 10105528710, 20211057420]

約数ペア:

[(1, 20211057420), (2, 10105528710), (3, 6737019140), (4, 5052764355), (5, 4042211484), (6, 3368509570), (10, 2021105742), (12, 1684254785), (15, 1347403828), (20, 1010552871), (30, 673701914), (41, 492952620), (60, 336850957), (82, 246476310), (123, 164317540), (164, 123238155), (205, 98590524), (246, 82158770), (410, 49295262), (492, 41079385), (615, 32863508), (820, 24647631), (1230, 16431754), (2460, 8215877)]