20328573720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1861591}}^1$

素因数の和:1861625

約数の個数: 128

約数和(自身を含む): 75059389440

約数和(自身を除く): 54730815720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1861591, 3723182, 5584773, 7446364, 9307955, 11169546, 13031137, 14892728, 18615910, 22339092, 24200683, 26062274, 27923865, 37231820, 39093411, 44678184, 48401366, 52124548, 55847730, 65155685, 72602049, 74463640, 78186822, 96802732, 104249096, 111695460, 121003415, 130311370, 145204098, 156373644, 169404781, 193605464, 195467055, 223390920, 242006830, 260622740, 290408196, 312747288, 338809562, 363010245, 390934110, 484013660, 508214343, 521245480, 580816392, 677619124, 726020490, 781868220, 847023905, 968027320, 1016428686, 1355238248, 1452040980, 1563736440, 1694047810, 2032857372, 2541071715, 2904081960, 3388095620, 4065714744, 5082143430, 6776191240, 10164286860, 20328573720]

約数ペア:

[(1, 20328573720), (2, 10164286860), (3, 6776191240), (4, 5082143430), (5, 4065714744), (6, 3388095620), (7, 2904081960), (8, 2541071715), (10, 2032857372), (12, 1694047810), (13, 1563736440), (14, 1452040980), (15, 1355238248), (20, 1016428686), (21, 968027320), (24, 847023905), (26, 781868220), (28, 726020490), (30, 677619124), (35, 580816392), (39, 521245480), (40, 508214343), (42, 484013660), (52, 390934110), (56, 363010245), (60, 338809562), (65, 312747288), (70, 290408196), (78, 260622740), (84, 242006830), (91, 223390920), (104, 195467055), (105, 193605464), (120, 169404781), (130, 156373644), (140, 145204098), (156, 130311370), (168, 121003415), (182, 111695460), (195, 104249096), (210, 96802732), (260, 78186822), (273, 74463640), (280, 72602049), (312, 65155685), (364, 55847730), (390, 52124548), (420, 48401366), (455, 44678184), (520, 39093411), (546, 37231820), (728, 27923865), (780, 26062274), (840, 24200683), (910, 22339092), (1092, 18615910), (1365, 14892728), (1560, 13031137), (1820, 11169546), (2184, 9307955), (2730, 7446364), (3640, 5584773), (5460, 3723182), (10920, 1861591)]