20784390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62983}}^1$

素因数の和:63004

約数の個数: 32

約数和(自身を含む): 54418176

約数和(自身を除く): 33633786

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 62983, 125966, 188949, 314915, 377898, 629830, 692813, 944745, 1385626, 1889490, 2078439, 3464065, 4156878, 6928130, 10392195, 20784390]

約数ペア:

[(1, 20784390), (2, 10392195), (3, 6928130), (5, 4156878), (6, 3464065), (10, 2078439), (11, 1889490), (15, 1385626), (22, 944745), (30, 692813), (33, 629830), (55, 377898), (66, 314915), (110, 188949), (165, 125966), (330, 62983)]