20657773389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1\times {\mathrm{7639}}^1$

素因数の和:7918

約数の個数: 48

約数和(自身を含む): 31856232960

約数和(自身を除く): 11198459571

約数列:

[1, 3, 11, 19, 33, 57, 209, 227, 361, 627, 681, 1083, 2497, 3971, 4313, 7491, 7639, 11913, 12939, 22917, 47443, 81947, 84029, 142329, 145141, 245841, 252087, 435423, 901417, 1596551, 1734053, 2704251, 2757679, 4789653, 5202159, 8273037, 19074583, 30334469, 32947007, 57223749, 91003407, 98841021, 362417077, 625993133, 1087251231, 1877979399, 6885924463, 20657773389]

約数ペア:

[(1, 20657773389), (3, 6885924463), (11, 1877979399), (19, 1087251231), (33, 625993133), (57, 362417077), (209, 98841021), (227, 91003407), (361, 57223749), (627, 32947007), (681, 30334469), (1083, 19074583), (2497, 8273037), (3971, 5202159), (4313, 4789653), (7491, 2757679), (7639, 2704251), (11913, 1734053), (12939, 1596551), (22917, 901417), (47443, 435423), (81947, 252087), (84029, 245841), (142329, 145141)]