20559072

素因数分解:

$2^5\times 3^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 54214272

約数和(自身を除く): 33655200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 331, 647, 662, 993, 1294, 1324, 1941, 1986, 2588, 2648, 3882, 3972, 5176, 5296, 7764, 7944, 10352, 10592, 15528, 15888, 20704, 31056, 31776, 62112, 214157, 428314, 642471, 856628, 1284942, 1713256, 2569884, 3426512, 5139768, 6853024, 10279536, 20559072]

約数ペア:

[(1, 20559072), (2, 10279536), (3, 6853024), (4, 5139768), (6, 3426512), (8, 2569884), (12, 1713256), (16, 1284942), (24, 856628), (32, 642471), (48, 428314), (96, 214157), (331, 62112), (647, 31776), (662, 31056), (993, 20704), (1294, 15888), (1324, 15528), (1941, 10592), (1986, 10352), (2588, 7944), (2648, 7764), (3882, 5296), (3972, 5176)]