20464430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 46189440

約数和(自身を除く): 25725010

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 34, 35, 58, 70, 85, 119, 145, 170, 203, 238, 290, 406, 493, 593, 595, 986, 1015, 1186, 1190, 2030, 2465, 2965, 3451, 4151, 4930, 5930, 6902, 8302, 10081, 17197, 17255, 20162, 20755, 34394, 34510, 41510, 50405, 70567, 85985, 100810, 120379, 141134, 171970, 240758, 292349, 352835, 584698, 601895, 705670, 1203790, 1461745, 2046443, 2923490, 4092886, 10232215, 20464430]

約数ペア:

[(1, 20464430), (2, 10232215), (5, 4092886), (7, 2923490), (10, 2046443), (14, 1461745), (17, 1203790), (29, 705670), (34, 601895), (35, 584698), (58, 352835), (70, 292349), (85, 240758), (119, 171970), (145, 141134), (170, 120379), (203, 100810), (238, 85985), (290, 70567), (406, 50405), (493, 41510), (593, 34510), (595, 34394), (986, 20755), (1015, 20162), (1186, 17255), (1190, 17197), (2030, 10081), (2465, 8302), (2965, 6902), (3451, 5930), (4151, 4930)]