20675045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 27447552

約数和(自身を除く): 6772507

約数列:

[1, 5, 23, 37, 43, 113, 115, 185, 215, 565, 851, 989, 1591, 2599, 4181, 4255, 4859, 4945, 7955, 12995, 20905, 24295, 36593, 96163, 111757, 179783, 182965, 480815, 558785, 898915, 4135009, 20675045]

約数ペア:

[(1, 20675045), (5, 4135009), (23, 898915), (37, 558785), (43, 480815), (113, 182965), (115, 179783), (185, 111757), (215, 96163), (565, 36593), (851, 24295), (989, 20905), (1591, 12995), (2599, 7955), (4181, 4945), (4255, 4859)]