20512695544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{20641}}^1$

素因数の和:21172

約数の個数: 64

約数和(自身を含む): 43873332480

約数和(自身を除く): 23360636936

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 491, 506, 982, 1012, 1964, 2024, 3928, 5401, 10802, 11293, 20641, 21604, 22586, 41282, 43208, 45172, 82564, 90344, 124223, 165128, 227051, 248446, 454102, 474743, 496892, 908204, 949486, 993784, 1816408, 1898972, 3797944, 5222173, 10134731, 10444346, 20269462, 20888692, 40538924, 41777384, 81077848, 111482041, 222964082, 233098813, 445928164, 466197626, 891856328, 932395252, 1864790504, 2564086943, 5128173886, 10256347772, 20512695544]

約数ペア:

[(1, 20512695544), (2, 10256347772), (4, 5128173886), (8, 2564086943), (11, 1864790504), (22, 932395252), (23, 891856328), (44, 466197626), (46, 445928164), (88, 233098813), (92, 222964082), (184, 111482041), (253, 81077848), (491, 41777384), (506, 40538924), (982, 20888692), (1012, 20269462), (1964, 10444346), (2024, 10134731), (3928, 5222173), (5401, 3797944), (10802, 1898972), (11293, 1816408), (20641, 993784), (21604, 949486), (22586, 908204), (41282, 496892), (43208, 474743), (45172, 454102), (82564, 248446), (90344, 227051), (124223, 165128)]