20915034

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497977}}^1$

素因数の和:497989

約数の個数: 16

約数和(自身を含む): 47805888

約数和(自身を除く): 26890854

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497977, 995954, 1493931, 2987862, 3485839, 6971678, 10457517, 20915034]

約数ペア:

[(1, 20915034), (2, 10457517), (3, 6971678), (6, 3485839), (7, 2987862), (14, 1493931), (21, 995954), (42, 497977)]