20216300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15551}}^1$

素因数の和:15578

約数の個数: 36

約数和(自身を含む): 47246976

約数和(自身を除く): 27030676

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15551, 31102, 62204, 77755, 155510, 202163, 311020, 388775, 404326, 777550, 808652, 1010815, 1555100, 2021630, 4043260, 5054075, 10108150, 20216300]

約数ペア:

[(1, 20216300), (2, 10108150), (4, 5054075), (5, 4043260), (10, 2021630), (13, 1555100), (20, 1010815), (25, 808652), (26, 777550), (50, 404326), (52, 388775), (65, 311020), (100, 202163), (130, 155510), (260, 77755), (325, 62204), (650, 31102), (1300, 15551)]