20839890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16943}}^1$

素因数の和:16994

約数の個数: 32

約数和(自身を含む): 51238656

約数和(自身を除く): 30398766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16943, 33886, 50829, 84715, 101658, 169430, 254145, 508290, 694663, 1389326, 2083989, 3473315, 4167978, 6946630, 10419945, 20839890]

約数ペア:

[(1, 20839890), (2, 10419945), (3, 6946630), (5, 4167978), (6, 3473315), (10, 2083989), (15, 1389326), (30, 694663), (41, 508290), (82, 254145), (123, 169430), (205, 101658), (246, 84715), (410, 50829), (615, 33886), (1230, 16943)]