20860554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 50295168

約数和(自身を除く): 29434614

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 41, 66, 78, 82, 123, 143, 246, 286, 429, 451, 533, 593, 858, 902, 1066, 1186, 1353, 1599, 1779, 2706, 3198, 3558, 5863, 6523, 7709, 11726, 13046, 15418, 17589, 19569, 23127, 24313, 35178, 39138, 46254, 48626, 72939, 84799, 145878, 169598, 254397, 267443, 316069, 508794, 534886, 632138, 802329, 948207, 1604658, 1896414, 3476759, 6953518, 10430277, 20860554]

約数ペア:

[(1, 20860554), (2, 10430277), (3, 6953518), (6, 3476759), (11, 1896414), (13, 1604658), (22, 948207), (26, 802329), (33, 632138), (39, 534886), (41, 508794), (66, 316069), (78, 267443), (82, 254397), (123, 169598), (143, 145878), (246, 84799), (286, 72939), (429, 48626), (451, 46254), (533, 39138), (593, 35178), (858, 24313), (902, 23127), (1066, 19569), (1186, 17589), (1353, 15418), (1599, 13046), (1779, 11726), (2706, 7709), (3198, 6523), (3558, 5863)]