20857590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17827}}^1$

素因数の和:17853

約数の個数: 48

約数和(自身を含む): 58404528

約数和(自身を除く): 37546938

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17827, 35654, 53481, 89135, 106962, 160443, 178270, 231751, 267405, 320886, 463502, 534810, 695253, 802215, 1158755, 1390506, 1604430, 2085759, 2317510, 3476265, 4171518, 6952530, 10428795, 20857590]

約数ペア:

[(1, 20857590), (2, 10428795), (3, 6952530), (5, 4171518), (6, 3476265), (9, 2317510), (10, 2085759), (13, 1604430), (15, 1390506), (18, 1158755), (26, 802215), (30, 695253), (39, 534810), (45, 463502), (65, 320886), (78, 267405), (90, 231751), (117, 178270), (130, 160443), (195, 106962), (234, 89135), (390, 53481), (585, 35654), (1170, 17827)]