20512991604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1861}}^1\times {\mathrm{131221}}^1$

素因数の和:133096

約数の個数: 48

約数和(自身を含む): 54731121536

約数和(自身を除く): 34218129932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1861, 3722, 5583, 7444, 11166, 13027, 22332, 26054, 39081, 52108, 78162, 131221, 156324, 262442, 393663, 524884, 787326, 918547, 1574652, 1837094, 2755641, 3674188, 5511282, 11022564, 244202281, 488404562, 732606843, 976809124, 1465213686, 1709415967, 2930427372, 3418831934, 5128247901, 6837663868, 10256495802, 20512991604]

約数ペア:

[(1, 20512991604), (2, 10256495802), (3, 6837663868), (4, 5128247901), (6, 3418831934), (7, 2930427372), (12, 1709415967), (14, 1465213686), (21, 976809124), (28, 732606843), (42, 488404562), (84, 244202281), (1861, 11022564), (3722, 5511282), (5583, 3674188), (7444, 2755641), (11166, 1837094), (13027, 1574652), (22332, 918547), (26054, 787326), (39081, 524884), (52108, 393663), (78162, 262442), (131221, 156324)]