20233556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 43263360

約数和(自身を除く): 23029804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 511, 521, 532, 1022, 1042, 1387, 2044, 2084, 2774, 3647, 5548, 7294, 9709, 9899, 14588, 19418, 19798, 38033, 38836, 39596, 69293, 76066, 138586, 152132, 266231, 277172, 532462, 722627, 1064924, 1445254, 2890508, 5058389, 10116778, 20233556]

約数ペア:

[(1, 20233556), (2, 10116778), (4, 5058389), (7, 2890508), (14, 1445254), (19, 1064924), (28, 722627), (38, 532462), (73, 277172), (76, 266231), (133, 152132), (146, 138586), (266, 76066), (292, 69293), (511, 39596), (521, 38836), (532, 38033), (1022, 19798), (1042, 19418), (1387, 14588), (2044, 9899), (2084, 9709), (2774, 7294), (3647, 5548)]