20051967

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 9885633

約数列:

[1, 3, 13, 39, 53, 89, 109, 159, 267, 327, 689, 1157, 1417, 2067, 3471, 4251, 4717, 5777, 9701, 14151, 17331, 29103, 61321, 75101, 126113, 183963, 225303, 378339, 514153, 1542459, 6683989, 20051967]

約数ペア:

[(1, 20051967), (3, 6683989), (13, 1542459), (39, 514153), (53, 378339), (89, 225303), (109, 183963), (159, 126113), (267, 75101), (327, 61321), (689, 29103), (1157, 17331), (1417, 14151), (2067, 9701), (3471, 5777), (4251, 4717)]