20372040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1484

約数の個数: 128

約数和(自身を含む): 73180800

約数和(自身を除く): 52808760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1451, 1560, 1755, 2340, 2808, 2902, 3510, 4353, 4680, 5804, 7020, 7255, 8706, 11608, 13059, 14040, 14510, 17412, 18863, 21765, 26118, 29020, 34824, 37726, 39177, 43530, 52236, 56589, 58040, 65295, 75452, 78354, 87060, 94315, 104472, 113178, 130590, 150904, 156708, 169767, 174120, 188630, 195885, 226356, 261180, 282945, 313416, 339534, 377260, 391770, 452712, 509301, 522360, 565890, 679068, 754520, 783540, 848835, 1018602, 1131780, 1358136, 1567080, 1697670, 2037204, 2263560, 2546505, 3395340, 4074408, 5093010, 6790680, 10186020, 20372040]

約数ペア:

[(1, 20372040), (2, 10186020), (3, 6790680), (4, 5093010), (5, 4074408), (6, 3395340), (8, 2546505), (9, 2263560), (10, 2037204), (12, 1697670), (13, 1567080), (15, 1358136), (18, 1131780), (20, 1018602), (24, 848835), (26, 783540), (27, 754520), (30, 679068), (36, 565890), (39, 522360), (40, 509301), (45, 452712), (52, 391770), (54, 377260), (60, 339534), (65, 313416), (72, 282945), (78, 261180), (90, 226356), (104, 195885), (108, 188630), (117, 174120), (120, 169767), (130, 156708), (135, 150904), (156, 130590), (180, 113178), (195, 104472), (216, 94315), (234, 87060), (260, 78354), (270, 75452), (312, 65295), (351, 58040), (360, 56589), (390, 52236), (468, 43530), (520, 39177), (540, 37726), (585, 34824), (702, 29020), (780, 26118), (936, 21765), (1080, 18863), (1170, 17412), (1404, 14510), (1451, 14040), (1560, 13059), (1755, 11608), (2340, 8706), (2808, 7255), (2902, 7020), (3510, 5804), (4353, 4680)]