20134580921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 26820896256

約数和(自身を除く): 6686315335

約数列:

[1, 7, 13, 17, 73, 91, 119, 131, 221, 511, 917, 949, 1241, 1361, 1547, 1703, 2227, 6643, 8687, 9527, 9563, 11921, 15589, 16133, 17693, 23137, 28951, 66941, 99353, 112931, 123851, 124319, 161959, 162571, 178291, 202657, 300781, 695471, 870233, 1137997, 1248037, 1291589, 1689001, 2105467, 2113423, 2317783, 3030947, 9041123, 11823007, 13015243, 14793961, 16224481, 21216629, 21957013, 39402311, 91106701, 153699091, 169198159, 221259131, 275816177, 1184387113, 1548813917, 2876368703, 20134580921]

約数ペア:

[(1, 20134580921), (7, 2876368703), (13, 1548813917), (17, 1184387113), (73, 275816177), (91, 221259131), (119, 169198159), (131, 153699091), (221, 91106701), (511, 39402311), (917, 21957013), (949, 21216629), (1241, 16224481), (1361, 14793961), (1547, 13015243), (1703, 11823007), (2227, 9041123), (6643, 3030947), (8687, 2317783), (9527, 2113423), (9563, 2105467), (11921, 1689001), (15589, 1291589), (16133, 1248037), (17693, 1137997), (23137, 870233), (28951, 695471), (66941, 300781), (99353, 202657), (112931, 178291), (123851, 162571), (124319, 161959)]