20704844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 40205088

約数和(自身を除く): 19500244

約数列:

[1, 2, 4, 17, 34, 43, 68, 73, 86, 97, 146, 172, 194, 292, 388, 731, 1241, 1462, 1649, 2482, 2924, 3139, 3298, 4171, 4964, 6278, 6596, 7081, 8342, 12556, 14162, 16684, 28324, 53363, 70907, 106726, 120377, 141814, 213452, 240754, 283628, 304483, 481508, 608966, 1217932, 5176211, 10352422, 20704844]

約数ペア:

[(1, 20704844), (2, 10352422), (4, 5176211), (17, 1217932), (34, 608966), (43, 481508), (68, 304483), (73, 283628), (86, 240754), (97, 213452), (146, 141814), (172, 120377), (194, 106726), (292, 70907), (388, 53363), (731, 28324), (1241, 16684), (1462, 14162), (1649, 12556), (2482, 8342), (2924, 7081), (3139, 6596), (3298, 6278), (4171, 4964)]