20585280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:584

約数の個数: 112

約数和(自身を含む): 67080384

約数和(自身を除く): 46495104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 164, 192, 205, 240, 246, 320, 328, 410, 480, 492, 523, 615, 656, 820, 960, 984, 1046, 1230, 1312, 1569, 1640, 1968, 2092, 2460, 2615, 2624, 3138, 3280, 3936, 4184, 4920, 5230, 6276, 6560, 7845, 7872, 8368, 9840, 10460, 12552, 13120, 15690, 16736, 19680, 20920, 21443, 25104, 31380, 33472, 39360, 41840, 42886, 50208, 62760, 64329, 83680, 85772, 100416, 107215, 125520, 128658, 167360, 171544, 214430, 251040, 257316, 321645, 343088, 428860, 502080, 514632, 643290, 686176, 857720, 1029264, 1286580, 1372352, 1715440, 2058528, 2573160, 3430880, 4117056, 5146320, 6861760, 10292640, 20585280]

約数ペア:

[(1, 20585280), (2, 10292640), (3, 6861760), (4, 5146320), (5, 4117056), (6, 3430880), (8, 2573160), (10, 2058528), (12, 1715440), (15, 1372352), (16, 1286580), (20, 1029264), (24, 857720), (30, 686176), (32, 643290), (40, 514632), (41, 502080), (48, 428860), (60, 343088), (64, 321645), (80, 257316), (82, 251040), (96, 214430), (120, 171544), (123, 167360), (160, 128658), (164, 125520), (192, 107215), (205, 100416), (240, 85772), (246, 83680), (320, 64329), (328, 62760), (410, 50208), (480, 42886), (492, 41840), (523, 39360), (615, 33472), (656, 31380), (820, 25104), (960, 21443), (984, 20920), (1046, 19680), (1230, 16736), (1312, 15690), (1569, 13120), (1640, 12552), (1968, 10460), (2092, 9840), (2460, 8368), (2615, 7872), (2624, 7845), (3138, 6560), (3280, 6276), (3936, 5230), (4184, 4920)]