20803530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 55022976

約数和(自身を除く): 34219446

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 521, 605, 726, 1042, 1210, 1331, 1563, 1815, 2605, 2662, 3126, 3630, 3993, 5210, 5731, 6655, 7815, 7986, 11462, 13310, 15630, 17193, 19965, 28655, 34386, 39930, 57310, 63041, 85965, 126082, 171930, 189123, 315205, 378246, 630410, 693451, 945615, 1386902, 1891230, 2080353, 3467255, 4160706, 6934510, 10401765, 20803530]

約数ペア:

[(1, 20803530), (2, 10401765), (3, 6934510), (5, 4160706), (6, 3467255), (10, 2080353), (11, 1891230), (15, 1386902), (22, 945615), (30, 693451), (33, 630410), (55, 378246), (66, 315205), (110, 189123), (121, 171930), (165, 126082), (242, 85965), (330, 63041), (363, 57310), (521, 39930), (605, 34386), (726, 28655), (1042, 19965), (1210, 17193), (1331, 15630), (1563, 13310), (1815, 11462), (2605, 7986), (2662, 7815), (3126, 6655), (3630, 5731), (3993, 5210)]