20213520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84223}}^1$

素因数の和:84239

約数の個数: 40

約数和(自身を含む): 62662656

約数和(自身を除く): 42449136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84223, 168446, 252669, 336892, 421115, 505338, 673784, 842230, 1010676, 1263345, 1347568, 1684460, 2021352, 2526690, 3368920, 4042704, 5053380, 6737840, 10106760, 20213520]

約数ペア:

[(1, 20213520), (2, 10106760), (3, 6737840), (4, 5053380), (5, 4042704), (6, 3368920), (8, 2526690), (10, 2021352), (12, 1684460), (15, 1347568), (16, 1263345), (20, 1010676), (24, 842230), (30, 673784), (40, 505338), (48, 421115), (60, 336892), (80, 252669), (120, 168446), (240, 84223)]