20422264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 43092000

約数和(自身を除く): 22669736

約数列:

[1, 2, 4, 8, 19, 29, 38, 41, 58, 76, 82, 113, 116, 152, 164, 226, 232, 328, 452, 551, 779, 904, 1102, 1189, 1558, 2147, 2204, 2378, 3116, 3277, 4294, 4408, 4633, 4756, 6232, 6554, 8588, 9266, 9512, 13108, 17176, 18532, 22591, 26216, 37064, 45182, 62263, 88027, 90364, 124526, 134357, 176054, 180728, 249052, 268714, 352108, 498104, 537428, 704216, 1074856, 2552783, 5105566, 10211132, 20422264]

約数ペア:

[(1, 20422264), (2, 10211132), (4, 5105566), (8, 2552783), (19, 1074856), (29, 704216), (38, 537428), (41, 498104), (58, 352108), (76, 268714), (82, 249052), (113, 180728), (116, 176054), (152, 134357), (164, 124526), (226, 90364), (232, 88027), (328, 62263), (452, 45182), (551, 37064), (779, 26216), (904, 22591), (1102, 18532), (1189, 17176), (1558, 13108), (2147, 9512), (2204, 9266), (2378, 8588), (3116, 6554), (3277, 6232), (4294, 4756), (4408, 4633)]