20921032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7669}}^1$

素因数の和:7717

約数の個数: 32

約数和(自身を含む): 44179200

約数和(自身を除く): 23258168

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7669, 15338, 30676, 61352, 84359, 168718, 237739, 337436, 475478, 674872, 950956, 1901912, 2615129, 5230258, 10460516, 20921032]

約数ペア:

[(1, 20921032), (2, 10460516), (4, 5230258), (8, 2615129), (11, 1901912), (22, 950956), (31, 674872), (44, 475478), (62, 337436), (88, 237739), (124, 168718), (248, 84359), (341, 61352), (682, 30676), (1364, 15338), (2728, 7669)]