20216568712

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{1409}}^1\times {\mathrm{13691}}^1$

素因数の和:15237

約数の個数: 32

約数和(自身を含む): 38225325600

約数和(自身を除く): 18008756888

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 1409, 2818, 5636, 11272, 13691, 27382, 54764, 109528, 184579, 369158, 738316, 1476632, 1793521, 3587042, 7174084, 14348168, 19290619, 38581238, 77162476, 154324952, 2527071089, 5054142178, 10108284356, 20216568712]

約数ペア:

[(1, 20216568712), (2, 10108284356), (4, 5054142178), (8, 2527071089), (131, 154324952), (262, 77162476), (524, 38581238), (1048, 19290619), (1409, 14348168), (2818, 7174084), (5636, 3587042), (11272, 1793521), (13691, 1476632), (27382, 738316), (54764, 369158), (109528, 184579)]