20198991033

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{449}}^1\times {\mathrm{9859}}^1$

素因数の和:10343

約数の個数: 48

約数和(自身を含む): 32478840000

約数和(自身を除く): 12279848967

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 449, 507, 1347, 1521, 4041, 4563, 5837, 9859, 12123, 17511, 29577, 52533, 75881, 88731, 128167, 157599, 227643, 266193, 384501, 682929, 1153503, 1666171, 2048787, 3460509, 4426691, 4998513, 13280073, 14995539, 39840219, 44986617, 57546983, 119520657, 172640949, 517922847, 748110779, 1553768541, 2244332337, 6732997011, 20198991033]

約数ペア:

[(1, 20198991033), (3, 6732997011), (9, 2244332337), (13, 1553768541), (27, 748110779), (39, 517922847), (117, 172640949), (169, 119520657), (351, 57546983), (449, 44986617), (507, 39840219), (1347, 14995539), (1521, 13280073), (4041, 4998513), (4563, 4426691), (5837, 3460509), (9859, 2048787), (12123, 1666171), (17511, 1153503), (29577, 682929), (52533, 384501), (75881, 266193), (88731, 227643), (128167, 157599)]