20816160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2551}}^1$

素因数の和:2586

約数の個数: 96

約数和(自身を含む): 69455232

約数和(自身を除く): 48639072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2551, 2720, 4080, 5102, 7653, 8160, 10204, 12755, 15306, 20408, 25510, 30612, 38265, 40816, 43367, 51020, 61224, 76530, 81632, 86734, 102040, 122448, 130101, 153060, 173468, 204080, 216835, 244896, 260202, 306120, 346936, 408160, 433670, 520404, 612240, 650505, 693872, 867340, 1040808, 1224480, 1301010, 1387744, 1734680, 2081616, 2602020, 3469360, 4163232, 5204040, 6938720, 10408080, 20816160]

約数ペア:

[(1, 20816160), (2, 10408080), (3, 6938720), (4, 5204040), (5, 4163232), (6, 3469360), (8, 2602020), (10, 2081616), (12, 1734680), (15, 1387744), (16, 1301010), (17, 1224480), (20, 1040808), (24, 867340), (30, 693872), (32, 650505), (34, 612240), (40, 520404), (48, 433670), (51, 408160), (60, 346936), (68, 306120), (80, 260202), (85, 244896), (96, 216835), (102, 204080), (120, 173468), (136, 153060), (160, 130101), (170, 122448), (204, 102040), (240, 86734), (255, 81632), (272, 76530), (340, 61224), (408, 51020), (480, 43367), (510, 40816), (544, 38265), (680, 30612), (816, 25510), (1020, 20408), (1360, 15306), (1632, 12755), (2040, 10204), (2551, 8160), (2720, 7653), (4080, 5102)]