20201535

素因数分解:

$3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 36188160

約数和(自身を除く): 15986625

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 991, 1359, 2265, 2973, 4077, 4955, 6795, 8919, 14865, 20385, 26757, 44595, 133785, 149641, 448923, 748205, 1346769, 2244615, 4040307, 6733845, 20201535]

約数ペア:

[(1, 20201535), (3, 6733845), (5, 4040307), (9, 2244615), (15, 1346769), (27, 748205), (45, 448923), (135, 149641), (151, 133785), (453, 44595), (755, 26757), (991, 20385), (1359, 14865), (2265, 8919), (2973, 6795), (4077, 4955)]