20440904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 23795896

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 59, 62, 88, 118, 124, 127, 236, 248, 254, 341, 472, 508, 649, 682, 1016, 1298, 1364, 1397, 1829, 2596, 2728, 2794, 3658, 3937, 5192, 5588, 7316, 7493, 7874, 11176, 14632, 14986, 15748, 20119, 29972, 31496, 40238, 43307, 59944, 80476, 82423, 86614, 160952, 164846, 173228, 232283, 329692, 346456, 464566, 659384, 929132, 1858264, 2555113, 5110226, 10220452, 20440904]

約数ペア:

[(1, 20440904), (2, 10220452), (4, 5110226), (8, 2555113), (11, 1858264), (22, 929132), (31, 659384), (44, 464566), (59, 346456), (62, 329692), (88, 232283), (118, 173228), (124, 164846), (127, 160952), (236, 86614), (248, 82423), (254, 80476), (341, 59944), (472, 43307), (508, 40238), (649, 31496), (682, 29972), (1016, 20119), (1298, 15748), (1364, 14986), (1397, 14632), (1829, 11176), (2596, 7874), (2728, 7493), (2794, 7316), (3658, 5588), (3937, 5192)]