20153334820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{318781}}^1$

素因数の和:318928

約数の個数: 48

約数和(自身を含む): 44183185200

約数和(自身を除く): 24029850380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 1090, 2180, 3161, 6322, 12644, 15805, 31610, 63220, 318781, 637562, 1275124, 1593905, 3187810, 6375620, 9244649, 18489298, 34747129, 36978596, 46223245, 69494258, 92446490, 138988516, 173735645, 184892980, 347471290, 694942580, 1007666741, 2015333482, 4030666964, 5038333705, 10076667410, 20153334820]

約数ペア:

[(1, 20153334820), (2, 10076667410), (4, 5038333705), (5, 4030666964), (10, 2015333482), (20, 1007666741), (29, 694942580), (58, 347471290), (109, 184892980), (116, 173735645), (145, 138988516), (218, 92446490), (290, 69494258), (436, 46223245), (545, 36978596), (580, 34747129), (1090, 18489298), (2180, 9244649), (3161, 6375620), (6322, 3187810), (12644, 1593905), (15805, 1275124), (31610, 637562), (63220, 318781)]