16620780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25183}}^1$

素因数の和:25206

約数の個数: 48

約数和(自身を含む): 50770944

約数和(自身を除く): 34150164

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 25183, 50366, 75549, 100732, 125915, 151098, 251830, 277013, 302196, 377745, 503660, 554026, 755490, 831039, 1108052, 1385065, 1510980, 1662078, 2770130, 3324156, 4155195, 5540260, 8310390, 16620780]

約数ペア:

[(1, 16620780), (2, 8310390), (3, 5540260), (4, 4155195), (5, 3324156), (6, 2770130), (10, 1662078), (11, 1510980), (12, 1385065), (15, 1108052), (20, 831039), (22, 755490), (30, 554026), (33, 503660), (44, 377745), (55, 302196), (60, 277013), (66, 251830), (110, 151098), (132, 125915), (165, 100732), (220, 75549), (330, 50366), (660, 25183)]