20209300

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3313}}^1$

素因数の和:3388

約数の個数: 36

約数和(自身を含む): 44586556

約数和(自身を除く): 24377256

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3313, 6100, 6626, 13252, 16565, 33130, 66260, 82825, 165650, 202093, 331300, 404186, 808372, 1010465, 2020930, 4041860, 5052325, 10104650, 20209300]

約数ペア:

[(1, 20209300), (2, 10104650), (4, 5052325), (5, 4041860), (10, 2020930), (20, 1010465), (25, 808372), (50, 404186), (61, 331300), (100, 202093), (122, 165650), (244, 82825), (305, 66260), (610, 33130), (1220, 16565), (1525, 13252), (3050, 6626), (3313, 6100)]