20851824

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 62059520

約数和(自身を除く): 41207696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 229, 271, 336, 458, 542, 687, 813, 916, 1084, 1374, 1603, 1626, 1832, 1897, 2168, 2748, 3206, 3252, 3664, 3794, 4336, 4809, 5496, 5691, 6412, 6504, 7588, 9618, 10992, 11382, 12824, 13008, 15176, 19236, 22764, 25648, 30352, 38472, 45528, 62059, 76944, 91056, 124118, 186177, 248236, 372354, 434413, 496472, 744708, 868826, 992944, 1303239, 1489416, 1737652, 2606478, 2978832, 3475304, 5212956, 6950608, 10425912, 20851824]

約数ペア:

[(1, 20851824), (2, 10425912), (3, 6950608), (4, 5212956), (6, 3475304), (7, 2978832), (8, 2606478), (12, 1737652), (14, 1489416), (16, 1303239), (21, 992944), (24, 868826), (28, 744708), (42, 496472), (48, 434413), (56, 372354), (84, 248236), (112, 186177), (168, 124118), (229, 91056), (271, 76944), (336, 62059), (458, 45528), (542, 38472), (687, 30352), (813, 25648), (916, 22764), (1084, 19236), (1374, 15176), (1603, 13008), (1626, 12824), (1832, 11382), (1897, 10992), (2168, 9618), (2748, 7588), (3206, 6504), (3252, 6412), (3664, 5691), (3794, 5496), (4336, 4809)]