201931420

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{9967}}^1$

素因数の和:10989

約数の個数: 24

約数和(自身を含む): 424517184

約数和(自身を除く): 222585764

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 9967, 10130, 19934, 20260, 39868, 49835, 99670, 199340, 10096571, 20193142, 40386284, 50482855, 100965710, 201931420]

約数ペア:

[(1, 201931420), (2, 100965710), (4, 50482855), (5, 40386284), (10, 20193142), (20, 10096571), (1013, 199340), (2026, 99670), (4052, 49835), (5065, 39868), (9967, 20260), (10130, 19934)]