20199995455

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{506329}}^1$

素因数の和:506514

約数の個数: 16

約数和(自身を含む): 24789916800

約数和(自身を除く): 4589921345

約数列:

[1, 5, 79, 101, 395, 505, 7979, 39895, 506329, 2531645, 39999991, 51139229, 199999955, 255696145, 4039999091, 20199995455]

約数ペア:

[(1, 20199995455), (5, 4039999091), (79, 255696145), (101, 199999955), (395, 51139229), (505, 39999991), (7979, 2531645), (39895, 506329)]