20138885764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1361}}^1\times {\mathrm{1723}}^1$

素因数の和:3220

約数の個数: 48

約数和(自身を含む): 37475484480

約数和(自身を除く): 17336598716

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 1361, 1723, 2147, 2722, 3446, 4294, 5444, 6892, 8588, 25859, 32737, 51718, 65474, 103436, 130948, 153793, 194699, 307586, 389398, 615172, 778796, 2345003, 2922067, 3699281, 4690006, 5844134, 7398562, 9380012, 11688268, 14797124, 44555057, 89110114, 178220228, 264985339, 529970678, 1059941356, 5034721441, 10069442882, 20138885764]

約数ペア:

[(1, 20138885764), (2, 10069442882), (4, 5034721441), (19, 1059941356), (38, 529970678), (76, 264985339), (113, 178220228), (226, 89110114), (452, 44555057), (1361, 14797124), (1723, 11688268), (2147, 9380012), (2722, 7398562), (3446, 5844134), (4294, 4690006), (5444, 3699281), (6892, 2922067), (8588, 2345003), (25859, 778796), (32737, 615172), (51718, 389398), (65474, 307586), (103436, 194699), (130948, 153793)]