20016810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20219}}^1$

素因数の和:20243

約数の個数: 48

約数和(自身を含む): 56777760

約数和(自身を除く): 36760950

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20219, 40438, 60657, 101095, 121314, 181971, 202190, 222409, 303285, 363942, 444818, 606570, 667227, 909855, 1112045, 1334454, 1819710, 2001681, 2224090, 3336135, 4003362, 6672270, 10008405, 20016810]

約数ペア:

[(1, 20016810), (2, 10008405), (3, 6672270), (5, 4003362), (6, 3336135), (9, 2224090), (10, 2001681), (11, 1819710), (15, 1334454), (18, 1112045), (22, 909855), (30, 667227), (33, 606570), (45, 444818), (55, 363942), (66, 303285), (90, 222409), (99, 202190), (110, 181971), (165, 121314), (198, 101095), (330, 60657), (495, 40438), (990, 20219)]