20792338569

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{25601}}^1$

素因数の和:25750

約数の個数: 48

約数和(自身を含む): 32206906368

約数和(自身を除く): 11414567799

約数列:

[1, 3, 9, 31, 41, 71, 93, 123, 213, 279, 369, 639, 1271, 2201, 2911, 3813, 6603, 8733, 11439, 19809, 25601, 26199, 76803, 90241, 230409, 270723, 793631, 812169, 1049641, 1817671, 2380893, 3148923, 5453013, 7142679, 9446769, 16359039, 32538871, 56347801, 74524511, 97616613, 169043403, 223573533, 292849839, 507130209, 670720599, 2310259841, 6930779523, 20792338569]

約数ペア:

[(1, 20792338569), (3, 6930779523), (9, 2310259841), (31, 670720599), (41, 507130209), (71, 292849839), (93, 223573533), (123, 169043403), (213, 97616613), (279, 74524511), (369, 56347801), (639, 32538871), (1271, 16359039), (2201, 9446769), (2911, 7142679), (3813, 5453013), (6603, 3148923), (8733, 2380893), (11439, 1817671), (19809, 1049641), (25601, 812169), (26199, 793631), (76803, 270723), (90241, 230409)]