20942031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 32025600

約数和(自身を除く): 11083569

約数列:

[1, 3, 11, 29, 33, 79, 87, 237, 277, 319, 831, 869, 957, 2291, 2607, 3047, 6873, 8033, 9141, 21883, 24099, 25201, 65649, 75603, 88363, 240713, 265089, 634607, 722139, 1903821, 6980677, 20942031]

約数ペア:

[(1, 20942031), (3, 6980677), (11, 1903821), (29, 722139), (33, 634607), (79, 265089), (87, 240713), (237, 88363), (277, 75603), (319, 65649), (831, 25201), (869, 24099), (957, 21883), (2291, 9141), (2607, 8033), (3047, 6873)]