20797476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 59458560

約数和(自身を除く): 38661084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 83, 84, 114, 133, 157, 166, 228, 249, 266, 314, 332, 399, 471, 498, 532, 581, 628, 798, 942, 996, 1099, 1162, 1577, 1596, 1743, 1884, 2198, 2324, 2983, 3154, 3297, 3486, 4396, 4731, 5966, 6308, 6594, 6972, 8949, 9462, 11039, 11932, 13031, 13188, 17898, 18924, 20881, 22078, 26062, 33117, 35796, 39093, 41762, 44156, 52124, 62643, 66234, 78186, 83524, 91217, 125286, 132468, 156372, 182434, 247589, 250572, 273651, 364868, 495178, 547302, 742767, 990356, 1094604, 1485534, 1733123, 2971068, 3466246, 5199369, 6932492, 10398738, 20797476]

約数ペア:

[(1, 20797476), (2, 10398738), (3, 6932492), (4, 5199369), (6, 3466246), (7, 2971068), (12, 1733123), (14, 1485534), (19, 1094604), (21, 990356), (28, 742767), (38, 547302), (42, 495178), (57, 364868), (76, 273651), (83, 250572), (84, 247589), (114, 182434), (133, 156372), (157, 132468), (166, 125286), (228, 91217), (249, 83524), (266, 78186), (314, 66234), (332, 62643), (399, 52124), (471, 44156), (498, 41762), (532, 39093), (581, 35796), (628, 33117), (798, 26062), (942, 22078), (996, 20881), (1099, 18924), (1162, 17898), (1577, 13188), (1596, 13031), (1743, 11932), (1884, 11039), (2198, 9462), (2324, 8949), (2983, 6972), (3154, 6594), (3297, 6308), (3486, 5966), (4396, 4731)]