20512338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1583

約数の個数: 64

約数和(自身を含む): 52945920

約数和(自身を除く): 32433582

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1531, 1914, 2233, 3062, 4466, 4593, 6699, 9186, 10717, 13398, 16841, 21434, 32151, 33682, 44399, 50523, 64302, 88798, 101046, 117887, 133197, 235774, 266394, 310793, 353661, 488389, 621586, 707322, 932379, 976778, 1465167, 1864758, 2930334, 3418723, 6837446, 10256169, 20512338]

約数ペア:

[(1, 20512338), (2, 10256169), (3, 6837446), (6, 3418723), (7, 2930334), (11, 1864758), (14, 1465167), (21, 976778), (22, 932379), (29, 707322), (33, 621586), (42, 488389), (58, 353661), (66, 310793), (77, 266394), (87, 235774), (154, 133197), (174, 117887), (203, 101046), (231, 88798), (319, 64302), (406, 50523), (462, 44399), (609, 33682), (638, 32151), (957, 21434), (1218, 16841), (1531, 13398), (1914, 10717), (2233, 9186), (3062, 6699), (4466, 4593)]