20183020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7057}}^1$

素因数の和:7090

約数の個数: 48

約数和(自身を含む): 49801248

約数和(自身を除く): 29618228

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7057, 14114, 28228, 35285, 70570, 77627, 91741, 141140, 155254, 183482, 310508, 366964, 388135, 458705, 776270, 917410, 1009151, 1552540, 1834820, 2018302, 4036604, 5045755, 10091510, 20183020]

約数ペア:

[(1, 20183020), (2, 10091510), (4, 5045755), (5, 4036604), (10, 2018302), (11, 1834820), (13, 1552540), (20, 1009151), (22, 917410), (26, 776270), (44, 458705), (52, 388135), (55, 366964), (65, 310508), (110, 183482), (130, 155254), (143, 141140), (220, 91741), (260, 77627), (286, 70570), (572, 35285), (715, 28228), (1430, 14114), (2860, 7057)]