20324804540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{339539}}^1$

素因数の和:339662

約数の個数: 48

約数和(自身を含む): 44322193440

約数和(自身を除く): 23997388900

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1460, 2993, 5986, 11972, 14965, 29930, 59860, 339539, 679078, 1358156, 1697695, 3395390, 6790780, 13921099, 24786347, 27842198, 49572694, 55684396, 69605495, 99145388, 123931735, 139210990, 247863470, 278421980, 495726940, 1016240227, 2032480454, 4064960908, 5081201135, 10162402270, 20324804540]

約数ペア:

[(1, 20324804540), (2, 10162402270), (4, 5081201135), (5, 4064960908), (10, 2032480454), (20, 1016240227), (41, 495726940), (73, 278421980), (82, 247863470), (146, 139210990), (164, 123931735), (205, 99145388), (292, 69605495), (365, 55684396), (410, 49572694), (730, 27842198), (820, 24786347), (1460, 13921099), (2993, 6790780), (5986, 3395390), (11972, 1697695), (14965, 1358156), (29930, 679078), (59860, 339539)]