20296876348

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1\times {\mathrm{18353}}^1$

素因数の和:18802

約数の個数: 48

約数和(自身を含む): 41047179264

約数和(自身を除く): 20750302916

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 311, 508, 622, 889, 1244, 1778, 2177, 3556, 4354, 8708, 18353, 36706, 39497, 73412, 78994, 128471, 157988, 256942, 276479, 513884, 552958, 1105916, 2330831, 4661662, 5707783, 9323324, 11415566, 16315817, 22831132, 32631634, 39954481, 65263268, 79908962, 159817924, 724888441, 1449776882, 2899553764, 5074219087, 10148438174, 20296876348]

約数ペア:

[(1, 20296876348), (2, 10148438174), (4, 5074219087), (7, 2899553764), (14, 1449776882), (28, 724888441), (127, 159817924), (254, 79908962), (311, 65263268), (508, 39954481), (622, 32631634), (889, 22831132), (1244, 16315817), (1778, 11415566), (2177, 9323324), (3556, 5707783), (4354, 4661662), (8708, 2330831), (18353, 1105916), (36706, 552958), (39497, 513884), (73412, 276479), (78994, 256942), (128471, 157988)]