20469240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1754

約数の個数: 128

約数和(自身を含む): 74476800

約数和(自身を除く): 54007560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1723, 1980, 2376, 2970, 3446, 3960, 5169, 5940, 6892, 8615, 10338, 11880, 13784, 15507, 17230, 18953, 20676, 25845, 31014, 34460, 37906, 41352, 46521, 51690, 56859, 62028, 68920, 75812, 77535, 93042, 94765, 103380, 113718, 124056, 151624, 155070, 170577, 186084, 189530, 206760, 227436, 232605, 284295, 310140, 341154, 372168, 379060, 454872, 465210, 511731, 568590, 620280, 682308, 758120, 852885, 930420, 1023462, 1137180, 1364616, 1705770, 1860840, 2046924, 2274360, 2558655, 3411540, 4093848, 5117310, 6823080, 10234620, 20469240]

約数ペア:

[(1, 20469240), (2, 10234620), (3, 6823080), (4, 5117310), (5, 4093848), (6, 3411540), (8, 2558655), (9, 2274360), (10, 2046924), (11, 1860840), (12, 1705770), (15, 1364616), (18, 1137180), (20, 1023462), (22, 930420), (24, 852885), (27, 758120), (30, 682308), (33, 620280), (36, 568590), (40, 511731), (44, 465210), (45, 454872), (54, 379060), (55, 372168), (60, 341154), (66, 310140), (72, 284295), (88, 232605), (90, 227436), (99, 206760), (108, 189530), (110, 186084), (120, 170577), (132, 155070), (135, 151624), (165, 124056), (180, 113718), (198, 103380), (216, 94765), (220, 93042), (264, 77535), (270, 75812), (297, 68920), (330, 62028), (360, 56859), (396, 51690), (440, 46521), (495, 41352), (540, 37906), (594, 34460), (660, 31014), (792, 25845), (990, 20676), (1080, 18953), (1188, 17230), (1320, 15507), (1485, 13784), (1723, 11880), (1980, 10338), (2376, 8615), (2970, 6892), (3446, 5940), (3960, 5169)]