20111619996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{44257}}^1$

素因数の和:45251

約数の個数: 72

約数和(自身を含む): 54805920624

約数和(自身を除く): 34694300628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 971, 1942, 2913, 3884, 5826, 8739, 11652, 12623, 17478, 25246, 34956, 37869, 44257, 50492, 75738, 88514, 113607, 132771, 151476, 177028, 227214, 265542, 398313, 454428, 531084, 575341, 796626, 1150682, 1593252, 1726023, 2301364, 3452046, 5178069, 6904092, 10356138, 20712276, 42973547, 85947094, 128920641, 171894188, 257841282, 386761923, 515682564, 558656111, 773523846, 1117312222, 1547047692, 1675968333, 2234624444, 3351936666, 5027904999, 6703873332, 10055809998, 20111619996]

約数ペア:

[(1, 20111619996), (2, 10055809998), (3, 6703873332), (4, 5027904999), (6, 3351936666), (9, 2234624444), (12, 1675968333), (13, 1547047692), (18, 1117312222), (26, 773523846), (36, 558656111), (39, 515682564), (52, 386761923), (78, 257841282), (117, 171894188), (156, 128920641), (234, 85947094), (468, 42973547), (971, 20712276), (1942, 10356138), (2913, 6904092), (3884, 5178069), (5826, 3452046), (8739, 2301364), (11652, 1726023), (12623, 1593252), (17478, 1150682), (25246, 796626), (34956, 575341), (37869, 531084), (44257, 454428), (50492, 398313), (75738, 265542), (88514, 227214), (113607, 177028), (132771, 151476)]