20028310

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16985450

約数列:

[1, 2, 5, 10, 67, 134, 167, 179, 334, 335, 358, 670, 835, 895, 1670, 1790, 11189, 11993, 22378, 23986, 29893, 55945, 59786, 59965, 111890, 119930, 149465, 298930, 2002831, 4005662, 10014155, 20028310]

約数ペア:

[(1, 20028310), (2, 10014155), (5, 4005662), (10, 2002831), (67, 298930), (134, 149465), (167, 119930), (179, 111890), (334, 59965), (335, 59786), (358, 55945), (670, 29893), (835, 23986), (895, 22378), (1670, 11993), (1790, 11189)]