20210564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 20673916

約数列:

[1, 2, 4, 11, 22, 29, 44, 47, 58, 94, 116, 188, 319, 337, 517, 638, 674, 1034, 1276, 1348, 1363, 2068, 2726, 3707, 5452, 7414, 9773, 14828, 14993, 15839, 19546, 29986, 31678, 39092, 59972, 63356, 107503, 174229, 215006, 348458, 430012, 459331, 696916, 918662, 1837324, 5052641, 10105282, 20210564]

約数ペア:

[(1, 20210564), (2, 10105282), (4, 5052641), (11, 1837324), (22, 918662), (29, 696916), (44, 459331), (47, 430012), (58, 348458), (94, 215006), (116, 174229), (188, 107503), (319, 63356), (337, 59972), (517, 39092), (638, 31678), (674, 29986), (1034, 19546), (1276, 15839), (1348, 14993), (1363, 14828), (2068, 9773), (2726, 7414), (3707, 5452)]