20145229443

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1\times {\mathrm{983}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 31743682560

約数和(自身を除く): 11598453117

約数列:

[1, 3, 9, 23, 27, 61, 69, 183, 207, 541, 549, 621, 983, 1403, 1623, 1647, 2949, 4209, 4869, 8847, 12443, 12627, 14607, 22609, 26541, 33001, 37329, 37881, 59963, 67827, 99003, 111987, 179889, 203481, 297009, 335961, 531803, 539667, 610443, 759023, 891027, 1379149, 1595409, 1619001, 2277069, 4137447, 4786227, 6831207, 12231469, 12412341, 14358681, 20493621, 32439983, 36694407, 37237023, 97319949, 110083221, 291959847, 330249663, 746119609, 875879541, 2238358827, 6715076481, 20145229443]

約数ペア:

[(1, 20145229443), (3, 6715076481), (9, 2238358827), (23, 875879541), (27, 746119609), (61, 330249663), (69, 291959847), (183, 110083221), (207, 97319949), (541, 37237023), (549, 36694407), (621, 32439983), (983, 20493621), (1403, 14358681), (1623, 12412341), (1647, 12231469), (2949, 6831207), (4209, 4786227), (4869, 4137447), (8847, 2277069), (12443, 1619001), (12627, 1595409), (14607, 1379149), (22609, 891027), (26541, 759023), (33001, 610443), (37329, 539667), (37881, 531803), (59963, 335961), (67827, 297009), (99003, 203481), (111987, 179889)]