16631020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 40174848

約数和(自身を除く): 23543828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 563, 844, 1055, 1126, 1477, 2110, 2252, 2815, 2954, 3941, 4220, 5630, 5908, 7385, 7882, 11260, 14770, 15764, 19705, 29540, 39410, 78820, 118793, 237586, 475172, 593965, 831551, 1187930, 1663102, 2375860, 3326204, 4157755, 8315510, 16631020]

約数ペア:

[(1, 16631020), (2, 8315510), (4, 4157755), (5, 3326204), (7, 2375860), (10, 1663102), (14, 1187930), (20, 831551), (28, 593965), (35, 475172), (70, 237586), (140, 118793), (211, 78820), (422, 39410), (563, 29540), (844, 19705), (1055, 15764), (1126, 14770), (1477, 11260), (2110, 7882), (2252, 7385), (2815, 5908), (2954, 5630), (3941, 4220)]