20038617

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 11065383

約数列:

[1, 3, 9, 27, 31, 89, 93, 267, 269, 279, 801, 807, 837, 2403, 2421, 2759, 7263, 8277, 8339, 23941, 24831, 25017, 71823, 74493, 75051, 215469, 225153, 646407, 742171, 2226513, 6679539, 20038617]

約数ペア:

[(1, 20038617), (3, 6679539), (9, 2226513), (27, 742171), (31, 646407), (89, 225153), (93, 215469), (267, 75051), (269, 74493), (279, 71823), (801, 25017), (807, 24831), (837, 23941), (2403, 8339), (2421, 8277), (2759, 7263)]