20930672

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10993}}^1$

素因数の和:11025

約数の個数: 40

約数和(自身を含む): 49077216

約数和(自身を除く): 28146544

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10993, 21986, 43972, 76951, 87944, 153902, 175888, 186881, 307804, 373762, 615608, 747524, 1231216, 1308167, 1495048, 2616334, 2990096, 5232668, 10465336, 20930672]

約数ペア:

[(1, 20930672), (2, 10465336), (4, 5232668), (7, 2990096), (8, 2616334), (14, 1495048), (16, 1308167), (17, 1231216), (28, 747524), (34, 615608), (56, 373762), (68, 307804), (112, 186881), (119, 175888), (136, 153902), (238, 87944), (272, 76951), (476, 43972), (952, 21986), (1904, 10993)]