20143636

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 36368640

約数和(自身を除く): 16225004

約数列:

[1, 2, 4, 47, 94, 109, 188, 218, 436, 983, 1966, 3932, 5123, 10246, 20492, 46201, 92402, 107147, 184804, 214294, 428588, 5035909, 10071818, 20143636]

約数ペア:

[(1, 20143636), (2, 10071818), (4, 5035909), (47, 428588), (94, 214294), (109, 184804), (188, 107147), (218, 92402), (436, 46201), (983, 20492), (1966, 10246), (3932, 5123)]