20768156955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5071589}}^1$

素因数の和:5071620

約数の個数: 48

約数和(自身を含む): 44305410240

約数和(自身を除く): 23537253285

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5071589, 15214767, 25357945, 35501123, 45644301, 65930657, 76073835, 106503369, 177505615, 197791971, 228221505, 319510107, 329653285, 461514599, 532516845, 593375913, 988959855, 1384543797, 1597550535, 2307572995, 2966879565, 4153631391, 6922718985, 20768156955]

約数ペア:

[(1, 20768156955), (3, 6922718985), (5, 4153631391), (7, 2966879565), (9, 2307572995), (13, 1597550535), (15, 1384543797), (21, 988959855), (35, 593375913), (39, 532516845), (45, 461514599), (63, 329653285), (65, 319510107), (91, 228221505), (105, 197791971), (117, 177505615), (195, 106503369), (273, 76073835), (315, 65930657), (455, 45644301), (585, 35501123), (819, 25357945), (1365, 15214767), (4095, 5071589)]