20156235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 15302325

約数列:

[1, 3, 5, 11, 15, 33, 55, 151, 165, 453, 755, 809, 1661, 2265, 2427, 4045, 4983, 8305, 8899, 12135, 24915, 26697, 44495, 122159, 133485, 366477, 610795, 1343749, 1832385, 4031247, 6718745, 20156235]

約数ペア:

[(1, 20156235), (3, 6718745), (5, 4031247), (11, 1832385), (15, 1343749), (33, 610795), (55, 366477), (151, 133485), (165, 122159), (453, 44495), (755, 26697), (809, 24915), (1661, 12135), (2265, 8899), (2427, 8305), (4045, 4983)]