20070156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 51078384

約数和(自身を除く): 31008228

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 113, 114, 123, 164, 226, 228, 246, 339, 361, 452, 492, 678, 722, 779, 1083, 1356, 1444, 1558, 2147, 2166, 2337, 3116, 4294, 4332, 4633, 4674, 6441, 8588, 9266, 9348, 12882, 13899, 14801, 18532, 25764, 27798, 29602, 40793, 44403, 55596, 59204, 81586, 88027, 88806, 122379, 163172, 176054, 177612, 244758, 264081, 352108, 489516, 528162, 1056324, 1672513, 3345026, 5017539, 6690052, 10035078, 20070156]

約数ペア:

[(1, 20070156), (2, 10035078), (3, 6690052), (4, 5017539), (6, 3345026), (12, 1672513), (19, 1056324), (38, 528162), (41, 489516), (57, 352108), (76, 264081), (82, 244758), (113, 177612), (114, 176054), (123, 163172), (164, 122379), (226, 88806), (228, 88027), (246, 81586), (339, 59204), (361, 55596), (452, 44403), (492, 40793), (678, 29602), (722, 27798), (779, 25764), (1083, 18532), (1356, 14801), (1444, 13899), (1558, 12882), (2147, 9348), (2166, 9266), (2337, 8588), (3116, 6441), (4294, 4674), (4332, 4633)]