20818830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693961}}^1$

素因数の和:693971

約数の個数: 16

約数和(自身を含む): 49965264

約数和(自身を除く): 29146434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693961, 1387922, 2081883, 3469805, 4163766, 6939610, 10409415, 20818830]

約数ペア:

[(1, 20818830), (2, 10409415), (3, 6939610), (5, 4163766), (6, 3469805), (10, 2081883), (15, 1387922), (30, 693961)]