20786090085

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1\times {\mathrm{10007}}^1$

素因数の和:11538

約数の個数: 48

約数和(自身を含む): 37220152320

約数和(自身を除く): 16434062235

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 1489, 4467, 7445, 10007, 13401, 22335, 30021, 46159, 50035, 67005, 90063, 138477, 150105, 230795, 310217, 415431, 450315, 692385, 930651, 1551085, 2077155, 2791953, 4653255, 13959765, 14900423, 44701269, 74502115, 134103807, 223506345, 461913113, 670519035, 1385739339, 2309565565, 4157218017, 6928696695, 20786090085]

約数ペア:

[(1, 20786090085), (3, 6928696695), (5, 4157218017), (9, 2309565565), (15, 1385739339), (31, 670519035), (45, 461913113), (93, 223506345), (155, 134103807), (279, 74502115), (465, 44701269), (1395, 14900423), (1489, 13959765), (4467, 4653255), (7445, 2791953), (10007, 2077155), (13401, 1551085), (22335, 930651), (30021, 692385), (46159, 450315), (50035, 415431), (67005, 310217), (90063, 230795), (138477, 150105)]