20790435

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 34232832

約数和(自身を除く): 13442397

約数列:

[1, 3, 5, 15, 67, 137, 151, 201, 335, 411, 453, 685, 755, 1005, 2055, 2265, 9179, 10117, 20687, 27537, 30351, 45895, 50585, 62061, 103435, 137685, 151755, 310305, 1386029, 4158087, 6930145, 20790435]

約数ペア:

[(1, 20790435), (3, 6930145), (5, 4158087), (15, 1386029), (67, 310305), (137, 151755), (151, 137685), (201, 103435), (335, 62061), (411, 50585), (453, 45895), (685, 30351), (755, 27537), (1005, 20687), (2055, 10117), (2265, 9179)]