20129232016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1122281}}^1$

素因数の和:1122367

約数の個数: 40

約数和(自身を含む): 41748890400

約数和(自身を除く): 21619658384

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1121, 2242, 4484, 8968, 17936, 1122281, 2244562, 4489124, 8978248, 17956496, 21323339, 42646678, 66214579, 85293356, 132429158, 170586712, 264858316, 341173424, 529716632, 1059433264, 1258077001, 2516154002, 5032308004, 10064616008, 20129232016]

約数ペア:

[(1, 20129232016), (2, 10064616008), (4, 5032308004), (8, 2516154002), (16, 1258077001), (19, 1059433264), (38, 529716632), (59, 341173424), (76, 264858316), (118, 170586712), (152, 132429158), (236, 85293356), (304, 66214579), (472, 42646678), (944, 21323339), (1121, 17956496), (2242, 8978248), (4484, 4489124), (8968, 2244562), (17936, 1122281)]