22087420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 27445700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 389, 668, 778, 835, 1556, 1670, 1945, 2839, 3340, 3890, 5678, 6613, 7780, 11356, 13226, 14195, 26452, 28390, 33065, 56780, 64963, 66130, 129926, 132260, 259852, 324815, 649630, 1104371, 1299260, 2208742, 4417484, 5521855, 11043710, 22087420]

約数ペア:

[(1, 22087420), (2, 11043710), (4, 5521855), (5, 4417484), (10, 2208742), (17, 1299260), (20, 1104371), (34, 649630), (68, 324815), (85, 259852), (167, 132260), (170, 129926), (334, 66130), (340, 64963), (389, 56780), (668, 33065), (778, 28390), (835, 26452), (1556, 14195), (1670, 13226), (1945, 11356), (2839, 7780), (3340, 6613), (3890, 5678)]