20600172

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1427}}^1$

素因数の和:1838

約数の個数: 36

約数和(自身を含む): 52239096

約数和(自身を除く): 31638924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1427, 1604, 2406, 2854, 3609, 4281, 4812, 5708, 7218, 8562, 12843, 14436, 17124, 25686, 51372, 572227, 1144454, 1716681, 2288908, 3433362, 5150043, 6866724, 10300086, 20600172]

約数ペア:

[(1, 20600172), (2, 10300086), (3, 6866724), (4, 5150043), (6, 3433362), (9, 2288908), (12, 1716681), (18, 1144454), (36, 572227), (401, 51372), (802, 25686), (1203, 17124), (1427, 14436), (1604, 12843), (2406, 8562), (2854, 7218), (3609, 5708), (4281, 4812)]