20783996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 40896576

約数和(自身を除く): 20112580

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 97, 137, 194, 274, 388, 391, 548, 782, 1564, 1649, 2231, 2329, 3151, 3298, 4462, 4658, 6302, 6596, 8924, 9316, 12604, 13289, 26578, 37927, 53156, 53567, 75854, 107134, 151708, 214268, 225913, 305647, 451826, 611294, 903652, 1222588, 5195999, 10391998, 20783996]

約数ペア:

[(1, 20783996), (2, 10391998), (4, 5195999), (17, 1222588), (23, 903652), (34, 611294), (46, 451826), (68, 305647), (92, 225913), (97, 214268), (137, 151708), (194, 107134), (274, 75854), (388, 53567), (391, 53156), (548, 37927), (782, 26578), (1564, 13289), (1649, 12604), (2231, 9316), (2329, 8924), (3151, 6596), (3298, 6302), (4462, 4658)]