20716675560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2740301}}^1$

素因数の和:2740328

約数の個数: 128

約数和(自身を含む): 78920697600

約数和(自身を除く): 58204022040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2740301, 5480602, 8220903, 10961204, 13701505, 16441806, 19182107, 21922408, 24662709, 27403010, 32883612, 38364214, 41104515, 49325418, 54806020, 57546321, 65767224, 73988127, 76728428, 82209030, 95910535, 98650836, 109612040, 115092642, 123313545, 147976254, 153456856, 164418060, 172638963, 191821070, 197301672, 230185284, 246627090, 287731605, 295952508, 328836120, 345277926, 369940635, 383642140, 460370568, 493254180, 517916889, 575463210, 591905016, 690555852, 739881270, 767284280, 863194815, 986508360, 1035833778, 1150926420, 1381111704, 1479762540, 1726389630, 2071667556, 2301852840, 2589584445, 2959525080, 3452779260, 4143335112, 5179168890, 6905558520, 10358337780, 20716675560]

約数ペア:

[(1, 20716675560), (2, 10358337780), (3, 6905558520), (4, 5179168890), (5, 4143335112), (6, 3452779260), (7, 2959525080), (8, 2589584445), (9, 2301852840), (10, 2071667556), (12, 1726389630), (14, 1479762540), (15, 1381111704), (18, 1150926420), (20, 1035833778), (21, 986508360), (24, 863194815), (27, 767284280), (28, 739881270), (30, 690555852), (35, 591905016), (36, 575463210), (40, 517916889), (42, 493254180), (45, 460370568), (54, 383642140), (56, 369940635), (60, 345277926), (63, 328836120), (70, 295952508), (72, 287731605), (84, 246627090), (90, 230185284), (105, 197301672), (108, 191821070), (120, 172638963), (126, 164418060), (135, 153456856), (140, 147976254), (168, 123313545), (180, 115092642), (189, 109612040), (210, 98650836), (216, 95910535), (252, 82209030), (270, 76728428), (280, 73988127), (315, 65767224), (360, 57546321), (378, 54806020), (420, 49325418), (504, 41104515), (540, 38364214), (630, 32883612), (756, 27403010), (840, 24662709), (945, 21922408), (1080, 19182107), (1260, 16441806), (1512, 13701505), (1890, 10961204), (2520, 8220903), (3780, 5480602), (7560, 2740301)]