20663745

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 34013952

約数和(自身を除く): 13350207

約数列:

[1, 3, 5, 15, 73, 113, 167, 219, 339, 365, 501, 565, 835, 1095, 1695, 2505, 8249, 12191, 18871, 24747, 36573, 41245, 56613, 60955, 94355, 123735, 182865, 283065, 1377583, 4132749, 6887915, 20663745]

約数ペア:

[(1, 20663745), (3, 6887915), (5, 4132749), (15, 1377583), (73, 283065), (113, 182865), (167, 123735), (219, 94355), (339, 60955), (365, 56613), (501, 41245), (565, 36573), (835, 24747), (1095, 18871), (1695, 12191), (2505, 8249)]