20169902840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1741}}^1\times {\mathrm{4909}}^1$

素因数の和:6720

約数の個数: 64

約数和(自身を含む): 46187388000

約数和(自身を除く): 26017485160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 1741, 2360, 3482, 4909, 6964, 8705, 9818, 13928, 17410, 19636, 24545, 34820, 39272, 49090, 69640, 98180, 102719, 196360, 205438, 289631, 410876, 513595, 579262, 821752, 1027190, 1158524, 1448155, 2054380, 2317048, 2896310, 4108760, 5792620, 8546569, 11585240, 17093138, 34186276, 42732845, 68372552, 85465690, 170931380, 341862760, 504247571, 1008495142, 2016990284, 2521237855, 4033980568, 5042475710, 10084951420, 20169902840]

約数ペア:

[(1, 20169902840), (2, 10084951420), (4, 5042475710), (5, 4033980568), (8, 2521237855), (10, 2016990284), (20, 1008495142), (40, 504247571), (59, 341862760), (118, 170931380), (236, 85465690), (295, 68372552), (472, 42732845), (590, 34186276), (1180, 17093138), (1741, 11585240), (2360, 8546569), (3482, 5792620), (4909, 4108760), (6964, 2896310), (8705, 2317048), (9818, 2054380), (13928, 1448155), (17410, 1158524), (19636, 1027190), (24545, 821752), (34820, 579262), (39272, 513595), (49090, 410876), (69640, 289631), (98180, 205438), (102719, 196360)]