20199666392

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1\times {\mathrm{971}}^1$

素因数の和:1992

約数の個数: 64

約数和(自身を含む): 39398192640

約数和(自身を除く): 19198526248

約数列:

[1, 2, 4, 8, 47, 61, 94, 122, 188, 244, 376, 488, 907, 971, 1814, 1942, 2867, 3628, 3884, 5734, 7256, 7768, 11468, 22936, 42629, 45637, 55327, 59231, 85258, 91274, 110654, 118462, 170516, 182548, 221308, 236924, 341032, 365096, 442616, 473848, 880697, 1761394, 2600369, 2783857, 3522788, 5200738, 5567714, 7045576, 10401476, 11135428, 20802952, 22270856, 41392759, 53722517, 82785518, 107445034, 165571036, 214890068, 331142072, 429780136, 2524958299, 5049916598, 10099833196, 20199666392]

約数ペア:

[(1, 20199666392), (2, 10099833196), (4, 5049916598), (8, 2524958299), (47, 429780136), (61, 331142072), (94, 214890068), (122, 165571036), (188, 107445034), (244, 82785518), (376, 53722517), (488, 41392759), (907, 22270856), (971, 20802952), (1814, 11135428), (1942, 10401476), (2867, 7045576), (3628, 5567714), (3884, 5200738), (5734, 3522788), (7256, 2783857), (7768, 2600369), (11468, 1761394), (22936, 880697), (42629, 473848), (45637, 442616), (55327, 365096), (59231, 341032), (85258, 236924), (91274, 221308), (110654, 182548), (118462, 170516)]