20045856

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 56827008

約数和(自身を除く): 36781152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 71, 96, 102, 136, 142, 173, 204, 213, 272, 284, 346, 408, 426, 519, 544, 568, 692, 816, 852, 1038, 1136, 1207, 1384, 1632, 1704, 2076, 2272, 2414, 2768, 2941, 3408, 3621, 4152, 4828, 5536, 5882, 6816, 7242, 8304, 8823, 9656, 11764, 12283, 14484, 16608, 17646, 19312, 23528, 24566, 28968, 35292, 36849, 38624, 47056, 49132, 57936, 70584, 73698, 94112, 98264, 115872, 141168, 147396, 196528, 208811, 282336, 294792, 393056, 417622, 589584, 626433, 835244, 1179168, 1252866, 1670488, 2505732, 3340976, 5011464, 6681952, 10022928, 20045856]

約数ペア:

[(1, 20045856), (2, 10022928), (3, 6681952), (4, 5011464), (6, 3340976), (8, 2505732), (12, 1670488), (16, 1252866), (17, 1179168), (24, 835244), (32, 626433), (34, 589584), (48, 417622), (51, 393056), (68, 294792), (71, 282336), (96, 208811), (102, 196528), (136, 147396), (142, 141168), (173, 115872), (204, 98264), (213, 94112), (272, 73698), (284, 70584), (346, 57936), (408, 49132), (426, 47056), (519, 38624), (544, 36849), (568, 35292), (692, 28968), (816, 24566), (852, 23528), (1038, 19312), (1136, 17646), (1207, 16608), (1384, 14484), (1632, 12283), (1704, 11764), (2076, 9656), (2272, 8823), (2414, 8304), (2768, 7242), (2941, 6816), (3408, 5882), (3621, 5536), (4152, 4828)]