20640648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122861}}^1$

素因数の和:122877

約数の個数: 32

約数和(自身を含む): 58973760

約数和(自身を除く): 38333112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122861, 245722, 368583, 491444, 737166, 860027, 982888, 1474332, 1720054, 2580081, 2948664, 3440108, 5160162, 6880216, 10320324, 20640648]

約数ペア:

[(1, 20640648), (2, 10320324), (3, 6880216), (4, 5160162), (6, 3440108), (7, 2948664), (8, 2580081), (12, 1720054), (14, 1474332), (21, 982888), (24, 860027), (28, 737166), (42, 491444), (56, 368583), (84, 245722), (168, 122861)]