20215088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2293}}^1$

素因数の和:2349

約数の個数: 40

約数和(自身を含む): 42668400

約数和(自身を除く): 22453312

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 2293, 4408, 4586, 8816, 9172, 18344, 36688, 43567, 66497, 87134, 132994, 174268, 265988, 348536, 531976, 697072, 1063952, 1263443, 2526886, 5053772, 10107544, 20215088]

約数ペア:

[(1, 20215088), (2, 10107544), (4, 5053772), (8, 2526886), (16, 1263443), (19, 1063952), (29, 697072), (38, 531976), (58, 348536), (76, 265988), (116, 174268), (152, 132994), (232, 87134), (304, 66497), (464, 43567), (551, 36688), (1102, 18344), (2204, 9172), (2293, 8816), (4408, 4586)]