20199108748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{668579}}^1$

素因数の和:668686

約数の個数: 48

約数和(自身を含む): 44030004480

約数和(自身を除く): 23830895732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 1079, 1162, 2158, 2324, 4316, 7553, 15106, 30212, 668579, 1337158, 2674316, 4680053, 8691527, 9360106, 17383054, 18720212, 34766108, 55492057, 60840689, 110984114, 121681378, 221968228, 243362756, 388444399, 721396741, 776888798, 1442793482, 1553777596, 2885586964, 5049777187, 10099554374, 20199108748]

約数ペア:

[(1, 20199108748), (2, 10099554374), (4, 5049777187), (7, 2885586964), (13, 1553777596), (14, 1442793482), (26, 776888798), (28, 721396741), (52, 388444399), (83, 243362756), (91, 221968228), (166, 121681378), (182, 110984114), (332, 60840689), (364, 55492057), (581, 34766108), (1079, 18720212), (1162, 17383054), (2158, 9360106), (2324, 8691527), (4316, 4680053), (7553, 2674316), (15106, 1337158), (30212, 668579)]