20726916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1087}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 55566336

約数和(自身を除く): 34839420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 1087, 1362, 1589, 2174, 2724, 3178, 3261, 4348, 4767, 6356, 6522, 7609, 9534, 13044, 15218, 19068, 22827, 30436, 45654, 91308, 246749, 493498, 740247, 986996, 1480494, 1727243, 2960988, 3454486, 5181729, 6908972, 10363458, 20726916]

約数ペア:

[(1, 20726916), (2, 10363458), (3, 6908972), (4, 5181729), (6, 3454486), (7, 2960988), (12, 1727243), (14, 1480494), (21, 986996), (28, 740247), (42, 493498), (84, 246749), (227, 91308), (454, 45654), (681, 30436), (908, 22827), (1087, 19068), (1362, 15218), (1589, 13044), (2174, 9534), (2724, 7609), (3178, 6522), (3261, 6356), (4348, 4767)]