20849312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1053

約数の個数: 48

約数和(自身を含む): 45559584

約数和(自身を除く): 24710272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 122, 176, 244, 352, 488, 671, 971, 976, 1342, 1942, 1952, 2684, 3884, 5368, 7768, 10681, 10736, 15536, 21362, 21472, 31072, 42724, 59231, 85448, 118462, 170896, 236924, 341792, 473848, 651541, 947696, 1303082, 1895392, 2606164, 5212328, 10424656, 20849312]

約数ペア:

[(1, 20849312), (2, 10424656), (4, 5212328), (8, 2606164), (11, 1895392), (16, 1303082), (22, 947696), (32, 651541), (44, 473848), (61, 341792), (88, 236924), (122, 170896), (176, 118462), (244, 85448), (352, 59231), (488, 42724), (671, 31072), (971, 21472), (976, 21362), (1342, 15536), (1942, 10736), (1952, 10681), (2684, 7768), (3884, 5368)]