20133144040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{146359}}^1$

素因数の和:146570

約数の個数: 64

約数和(自身を含む): 47947536000

約数和(自身を除く): 27814391960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 724, 760, 905, 1448, 1810, 3439, 3620, 6878, 7240, 13756, 17195, 27512, 34390, 68780, 137560, 146359, 292718, 585436, 731795, 1170872, 1463590, 2780821, 2927180, 5561642, 5854360, 11123284, 13904105, 22246568, 26490979, 27808210, 52981958, 55616420, 105963916, 111232840, 132454895, 211927832, 264909790, 503328601, 529819580, 1006657202, 1059639160, 2013314404, 2516643005, 4026628808, 5033286010, 10066572020, 20133144040]

約数ペア:

[(1, 20133144040), (2, 10066572020), (4, 5033286010), (5, 4026628808), (8, 2516643005), (10, 2013314404), (19, 1059639160), (20, 1006657202), (38, 529819580), (40, 503328601), (76, 264909790), (95, 211927832), (152, 132454895), (181, 111232840), (190, 105963916), (362, 55616420), (380, 52981958), (724, 27808210), (760, 26490979), (905, 22246568), (1448, 13904105), (1810, 11123284), (3439, 5854360), (3620, 5561642), (6878, 2927180), (7240, 2780821), (13756, 1463590), (17195, 1170872), (27512, 731795), (34390, 585436), (68780, 292718), (137560, 146359)]