20968116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 52995264

約数和(自身を除く): 32027148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 257, 514, 523, 771, 1028, 1046, 1542, 1569, 2092, 3084, 3138, 3341, 6276, 6682, 6799, 10023, 13364, 13598, 20046, 20397, 27196, 40092, 40794, 81588, 134411, 268822, 403233, 537644, 806466, 1612932, 1747343, 3494686, 5242029, 6989372, 10484058, 20968116]

約数ペア:

[(1, 20968116), (2, 10484058), (3, 6989372), (4, 5242029), (6, 3494686), (12, 1747343), (13, 1612932), (26, 806466), (39, 537644), (52, 403233), (78, 268822), (156, 134411), (257, 81588), (514, 40794), (523, 40092), (771, 27196), (1028, 20397), (1046, 20046), (1542, 13598), (1569, 13364), (2092, 10023), (3084, 6799), (3138, 6682), (3341, 6276)]