20432970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9907

約数の個数: 48

約数和(自身を含む): 55441152

約数和(自身を除く): 35008182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9871, 19742, 29613, 49355, 59226, 88839, 98710, 148065, 177678, 227033, 296130, 444195, 454066, 681099, 888390, 1135165, 1362198, 2043297, 2270330, 3405495, 4086594, 6810990, 10216485, 20432970]

約数ペア:

[(1, 20432970), (2, 10216485), (3, 6810990), (5, 4086594), (6, 3405495), (9, 2270330), (10, 2043297), (15, 1362198), (18, 1135165), (23, 888390), (30, 681099), (45, 454066), (46, 444195), (69, 296130), (90, 227033), (115, 177678), (138, 148065), (207, 98710), (230, 88839), (345, 59226), (414, 49355), (690, 29613), (1035, 19742), (2070, 9871)]