20204160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:658

約数の個数: 128

約数和(自身を含む): 68299200

約数和(自身を除く): 48095040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 619, 640, 680, 816, 960, 1020, 1088, 1238, 1360, 1632, 1857, 1920, 2040, 2176, 2476, 2720, 3095, 3264, 3714, 4080, 4952, 5440, 6190, 6528, 7428, 8160, 9285, 9904, 10523, 10880, 12380, 14856, 16320, 18570, 19808, 21046, 24760, 29712, 31569, 32640, 37140, 39616, 42092, 49520, 52615, 59424, 63138, 74280, 79232, 84184, 99040, 105230, 118848, 126276, 148560, 157845, 168368, 198080, 210460, 237696, 252552, 297120, 315690, 336736, 396160, 420920, 505104, 594240, 631380, 673472, 841840, 1010208, 1188480, 1262760, 1346944, 1683680, 2020416, 2525520, 3367360, 4040832, 5051040, 6734720, 10102080, 20204160]

約数ペア:

[(1, 20204160), (2, 10102080), (3, 6734720), (4, 5051040), (5, 4040832), (6, 3367360), (8, 2525520), (10, 2020416), (12, 1683680), (15, 1346944), (16, 1262760), (17, 1188480), (20, 1010208), (24, 841840), (30, 673472), (32, 631380), (34, 594240), (40, 505104), (48, 420920), (51, 396160), (60, 336736), (64, 315690), (68, 297120), (80, 252552), (85, 237696), (96, 210460), (102, 198080), (120, 168368), (128, 157845), (136, 148560), (160, 126276), (170, 118848), (192, 105230), (204, 99040), (240, 84184), (255, 79232), (272, 74280), (320, 63138), (340, 59424), (384, 52615), (408, 49520), (480, 42092), (510, 39616), (544, 37140), (619, 32640), (640, 31569), (680, 29712), (816, 24760), (960, 21046), (1020, 19808), (1088, 18570), (1238, 16320), (1360, 14856), (1632, 12380), (1857, 10880), (1920, 10523), (2040, 9904), (2176, 9285), (2476, 8160), (2720, 7428), (3095, 6528), (3264, 6190), (3714, 5440), (4080, 4952)]