20081955908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{508301}}^1$

素因数の和:508412

約数の個数: 48

約数和(自身を含む): 43038946944

約数和(自身を除く): 22956991036

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 83, 119, 166, 238, 332, 476, 581, 1162, 1411, 2324, 2822, 5644, 9877, 19754, 39508, 508301, 1016602, 2033204, 3558107, 7116214, 8641117, 14232428, 17282234, 34564468, 42188983, 60487819, 84377966, 120975638, 168755932, 241951276, 295322881, 590645762, 717212711, 1181291524, 1434425422, 2868850844, 5020488977, 10040977954, 20081955908]

約数ペア:

[(1, 20081955908), (2, 10040977954), (4, 5020488977), (7, 2868850844), (14, 1434425422), (17, 1181291524), (28, 717212711), (34, 590645762), (68, 295322881), (83, 241951276), (119, 168755932), (166, 120975638), (238, 84377966), (332, 60487819), (476, 42188983), (581, 34564468), (1162, 17282234), (1411, 14232428), (2324, 8641117), (2822, 7116214), (5644, 3558107), (9877, 2033204), (19754, 1016602), (39508, 508301)]