20467680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42641}}^1$

素因数の和:42659

約数の個数: 48

約数和(自身を含む): 64474704

約数和(自身を除く): 44007024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42641, 85282, 127923, 170564, 213205, 255846, 341128, 426410, 511692, 639615, 682256, 852820, 1023384, 1279230, 1364512, 1705640, 2046768, 2558460, 3411280, 4093536, 5116920, 6822560, 10233840, 20467680]

約数ペア:

[(1, 20467680), (2, 10233840), (3, 6822560), (4, 5116920), (5, 4093536), (6, 3411280), (8, 2558460), (10, 2046768), (12, 1705640), (15, 1364512), (16, 1279230), (20, 1023384), (24, 852820), (30, 682256), (32, 639615), (40, 511692), (48, 426410), (60, 341128), (80, 255846), (96, 213205), (120, 170564), (160, 127923), (240, 85282), (480, 42641)]