20856880040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{58567}}^1$

素因数の和:58914

約数の個数: 64

約数和(自身を含む): 48705148800

約数和(自身を除く): 27848268760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 307, 580, 614, 1160, 1228, 1535, 2456, 3070, 6140, 8903, 12280, 17806, 35612, 44515, 58567, 71224, 89030, 117134, 178060, 234268, 292835, 356120, 468536, 585670, 1171340, 1698443, 2342680, 3396886, 6793772, 8492215, 13587544, 16984430, 17980069, 33968860, 35960138, 67937720, 71920276, 89900345, 143840552, 179800690, 359601380, 521422001, 719202760, 1042844002, 2085688004, 2607110005, 4171376008, 5214220010, 10428440020, 20856880040]

約数ペア:

[(1, 20856880040), (2, 10428440020), (4, 5214220010), (5, 4171376008), (8, 2607110005), (10, 2085688004), (20, 1042844002), (29, 719202760), (40, 521422001), (58, 359601380), (116, 179800690), (145, 143840552), (232, 89900345), (290, 71920276), (307, 67937720), (580, 35960138), (614, 33968860), (1160, 17980069), (1228, 16984430), (1535, 13587544), (2456, 8492215), (3070, 6793772), (6140, 3396886), (8903, 2342680), (12280, 1698443), (17806, 1171340), (35612, 585670), (44515, 468536), (58567, 356120), (71224, 292835), (89030, 234268), (117134, 178060)]