20498595

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 36470784

約数和(自身を除く): 15972189

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3391, 6045, 10173, 16955, 44083, 50865, 105121, 132249, 220415, 315363, 525605, 661245, 1366573, 1576815, 4099719, 6832865, 20498595]

約数ペア:

[(1, 20498595), (3, 6832865), (5, 4099719), (13, 1576815), (15, 1366573), (31, 661245), (39, 525605), (65, 315363), (93, 220415), (155, 132249), (195, 105121), (403, 50865), (465, 44083), (1209, 16955), (2015, 10173), (3391, 6045)]