20045052

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 54198144

約数和(自身を除く): 34153092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 563, 774, 828, 989, 1126, 1548, 1689, 1978, 2252, 2967, 3378, 3956, 5067, 5934, 6756, 8901, 10134, 11868, 12949, 17802, 20268, 24209, 25898, 35604, 38847, 48418, 51796, 72627, 77694, 96836, 116541, 145254, 155388, 217881, 233082, 290508, 435762, 466164, 556807, 871524, 1113614, 1670421, 2227228, 3340842, 5011263, 6681684, 10022526, 20045052]

約数ペア:

[(1, 20045052), (2, 10022526), (3, 6681684), (4, 5011263), (6, 3340842), (9, 2227228), (12, 1670421), (18, 1113614), (23, 871524), (36, 556807), (43, 466164), (46, 435762), (69, 290508), (86, 233082), (92, 217881), (129, 155388), (138, 145254), (172, 116541), (207, 96836), (258, 77694), (276, 72627), (387, 51796), (414, 48418), (516, 38847), (563, 35604), (774, 25898), (828, 24209), (989, 20268), (1126, 17802), (1548, 12949), (1689, 11868), (1978, 10134), (2252, 8901), (2967, 6756), (3378, 5934), (3956, 5067)]