20802870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21013}}^1$

素因数の和:21037

約数の個数: 48

約数和(自身を含む): 59007312

約数和(自身を除く): 38204442

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21013, 42026, 63039, 105065, 126078, 189117, 210130, 231143, 315195, 378234, 462286, 630390, 693429, 945585, 1155715, 1386858, 1891170, 2080287, 2311430, 3467145, 4160574, 6934290, 10401435, 20802870]

約数ペア:

[(1, 20802870), (2, 10401435), (3, 6934290), (5, 4160574), (6, 3467145), (9, 2311430), (10, 2080287), (11, 1891170), (15, 1386858), (18, 1155715), (22, 945585), (30, 693429), (33, 630390), (45, 462286), (55, 378234), (66, 315195), (90, 231143), (99, 210130), (110, 189117), (165, 126078), (198, 105065), (330, 63039), (495, 42026), (990, 21013)]