20451700479

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{80149}}^1$

素因数の和:80607

約数の個数: 32

約数和(自身を含む): 32316480000

約数和(自身を除く): 11864779521

約数列:

[1, 3, 7, 21, 29, 87, 203, 419, 609, 1257, 2933, 8799, 12151, 36453, 80149, 85057, 240447, 255171, 561043, 1683129, 2324321, 6972963, 16270247, 33582431, 48810741, 100747293, 235077017, 705231051, 973890499, 2921671497, 6817233493, 20451700479]

約数ペア:

[(1, 20451700479), (3, 6817233493), (7, 2921671497), (21, 973890499), (29, 705231051), (87, 235077017), (203, 100747293), (419, 48810741), (609, 33582431), (1257, 16270247), (2933, 6972963), (8799, 2324321), (12151, 1683129), (36453, 561043), (80149, 255171), (85057, 240447)]