20291810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 48719232

約数和(自身を除く): 28427422

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 73, 77, 95, 110, 133, 146, 154, 190, 209, 266, 361, 365, 385, 418, 511, 665, 722, 730, 770, 803, 1022, 1045, 1330, 1387, 1463, 1606, 1805, 2090, 2527, 2555, 2774, 2926, 3610, 3971, 4015, 5054, 5110, 5621, 6935, 7315, 7942, 8030, 9709, 11242, 12635, 13870, 14630, 15257, 19418, 19855, 25270, 26353, 27797, 28105, 30514, 39710, 48545, 52706, 55594, 56210, 76285, 97090, 106799, 131765, 138985, 152570, 184471, 213598, 263530, 277970, 289883, 368942, 533995, 579766, 922355, 1067990, 1449415, 1844710, 2029181, 2898830, 4058362, 10145905, 20291810]

約数ペア:

[(1, 20291810), (2, 10145905), (5, 4058362), (7, 2898830), (10, 2029181), (11, 1844710), (14, 1449415), (19, 1067990), (22, 922355), (35, 579766), (38, 533995), (55, 368942), (70, 289883), (73, 277970), (77, 263530), (95, 213598), (110, 184471), (133, 152570), (146, 138985), (154, 131765), (190, 106799), (209, 97090), (266, 76285), (361, 56210), (365, 55594), (385, 52706), (418, 48545), (511, 39710), (665, 30514), (722, 28105), (730, 27797), (770, 26353), (803, 25270), (1022, 19855), (1045, 19418), (1330, 15257), (1387, 14630), (1463, 13870), (1606, 12635), (1805, 11242), (2090, 9709), (2527, 8030), (2555, 7942), (2774, 7315), (2926, 6935), (3610, 5621), (3971, 5110), (4015, 5054)]