20437890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61933}}^1$

素因数の和:61954

約数の個数: 32

約数和(自身を含む): 53510976

約数和(自身を除く): 33073086

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 61933, 123866, 185799, 309665, 371598, 619330, 681263, 928995, 1362526, 1857990, 2043789, 3406315, 4087578, 6812630, 10218945, 20437890]

約数ペア:

[(1, 20437890), (2, 10218945), (3, 6812630), (5, 4087578), (6, 3406315), (10, 2043789), (11, 1857990), (15, 1362526), (22, 928995), (30, 681263), (33, 619330), (55, 371598), (66, 309665), (110, 185799), (165, 123866), (330, 61933)]