20080717568

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{58147}}^1$

素因数の和:58253

約数の個数: 72

約数和(自身を含む): 42787624320

約数和(自身を除く): 22706906752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 128, 142, 152, 256, 284, 304, 568, 608, 1136, 1216, 1349, 2272, 2432, 2698, 4544, 4864, 5396, 9088, 10792, 18176, 21584, 43168, 58147, 86336, 116294, 172672, 232588, 345344, 465176, 930352, 1104793, 1860704, 2209586, 3721408, 4128437, 4419172, 7442816, 8256874, 8838344, 14885632, 16513748, 17676688, 33027496, 35353376, 66054992, 70706752, 78440303, 132109984, 141413504, 156880606, 264219968, 282827008, 313761212, 528439936, 627522424, 1056879872, 1255044848, 2510089696, 5020179392, 10040358784, 20080717568]

約数ペア:

[(1, 20080717568), (2, 10040358784), (4, 5020179392), (8, 2510089696), (16, 1255044848), (19, 1056879872), (32, 627522424), (38, 528439936), (64, 313761212), (71, 282827008), (76, 264219968), (128, 156880606), (142, 141413504), (152, 132109984), (256, 78440303), (284, 70706752), (304, 66054992), (568, 35353376), (608, 33027496), (1136, 17676688), (1216, 16513748), (1349, 14885632), (2272, 8838344), (2432, 8256874), (2698, 7442816), (4544, 4419172), (4864, 4128437), (5396, 3721408), (9088, 2209586), (10792, 1860704), (18176, 1104793), (21584, 930352), (43168, 465176), (58147, 345344), (86336, 232588), (116294, 172672)]