16540020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13127}}^1$

素因数の和:13149

約数の個数: 72

約数和(自身を含む): 57343104

約数和(自身を除く): 40803084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 13127, 26254, 39381, 52508, 65635, 78762, 91889, 118143, 131270, 157524, 183778, 196905, 236286, 262540, 275667, 367556, 393810, 459445, 472572, 551334, 590715, 787620, 827001, 918890, 1102668, 1181430, 1378335, 1654002, 1837780, 2362860, 2756670, 3308004, 4135005, 5513340, 8270010, 16540020]

約数ペア:

[(1, 16540020), (2, 8270010), (3, 5513340), (4, 4135005), (5, 3308004), (6, 2756670), (7, 2362860), (9, 1837780), (10, 1654002), (12, 1378335), (14, 1181430), (15, 1102668), (18, 918890), (20, 827001), (21, 787620), (28, 590715), (30, 551334), (35, 472572), (36, 459445), (42, 393810), (45, 367556), (60, 275667), (63, 262540), (70, 236286), (84, 196905), (90, 183778), (105, 157524), (126, 131270), (140, 118143), (180, 91889), (210, 78762), (252, 65635), (315, 52508), (420, 39381), (630, 26254), (1260, 13127)]