22420990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 18999170

約数列:

[1, 2, 5, 10, 79, 101, 158, 202, 281, 395, 505, 562, 790, 1010, 1405, 2810, 7979, 15958, 22199, 28381, 39895, 44398, 56762, 79790, 110995, 141905, 221990, 283810, 2242099, 4484198, 11210495, 22420990]

約数ペア:

[(1, 22420990), (2, 11210495), (5, 4484198), (10, 2242099), (79, 283810), (101, 221990), (158, 141905), (202, 110995), (281, 79790), (395, 56762), (505, 44398), (562, 39895), (790, 28381), (1010, 22199), (1405, 15958), (2810, 7979)]