20920416

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{1801}}^1$

素因数の和:1836

約数の個数: 72

約数和(自身を含む): 60395832

約数和(自身を除く): 39475416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 121, 132, 176, 242, 264, 352, 363, 484, 528, 726, 968, 1056, 1452, 1801, 1936, 2904, 3602, 3872, 5403, 5808, 7204, 10806, 11616, 14408, 19811, 21612, 28816, 39622, 43224, 57632, 59433, 79244, 86448, 118866, 158488, 172896, 217921, 237732, 316976, 435842, 475464, 633952, 653763, 871684, 950928, 1307526, 1743368, 1901856, 2615052, 3486736, 5230104, 6973472, 10460208, 20920416]

約数ペア:

[(1, 20920416), (2, 10460208), (3, 6973472), (4, 5230104), (6, 3486736), (8, 2615052), (11, 1901856), (12, 1743368), (16, 1307526), (22, 950928), (24, 871684), (32, 653763), (33, 633952), (44, 475464), (48, 435842), (66, 316976), (88, 237732), (96, 217921), (121, 172896), (132, 158488), (176, 118866), (242, 86448), (264, 79244), (352, 59433), (363, 57632), (484, 43224), (528, 39622), (726, 28816), (968, 21612), (1056, 19811), (1452, 14408), (1801, 11616), (1936, 10806), (2904, 7204), (3602, 5808), (3872, 5403)]