20809974648

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{3373861}}^1$

素因数の和:3374127

約数の個数: 32

約数和(自身を含む): 52227383760

約数和(自身を除く): 31417409112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 6168, 3373861, 6747722, 10121583, 13495444, 20243166, 26990888, 40486332, 80972664, 867082277, 1734164554, 2601246831, 3468329108, 5202493662, 6936658216, 10404987324, 20809974648]

約数ペア:

[(1, 20809974648), (2, 10404987324), (3, 6936658216), (4, 5202493662), (6, 3468329108), (8, 2601246831), (12, 1734164554), (24, 867082277), (257, 80972664), (514, 40486332), (771, 26990888), (1028, 20243166), (1542, 13495444), (2056, 10121583), (3084, 6747722), (6168, 3373861)]