20960898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 52420608

約数和(自身を除く): 31459710

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 62, 93, 102, 119, 186, 217, 238, 357, 434, 527, 651, 714, 947, 1054, 1302, 1581, 1894, 2841, 3162, 3689, 5682, 6629, 7378, 11067, 13258, 16099, 19887, 22134, 29357, 32198, 39774, 48297, 58714, 88071, 96594, 112693, 176142, 205499, 225386, 338079, 410998, 499069, 616497, 676158, 998138, 1232994, 1497207, 2994414, 3493483, 6986966, 10480449, 20960898]

約数ペア:

[(1, 20960898), (2, 10480449), (3, 6986966), (6, 3493483), (7, 2994414), (14, 1497207), (17, 1232994), (21, 998138), (31, 676158), (34, 616497), (42, 499069), (51, 410998), (62, 338079), (93, 225386), (102, 205499), (119, 176142), (186, 112693), (217, 96594), (238, 88071), (357, 58714), (434, 48297), (527, 39774), (651, 32198), (714, 29357), (947, 22134), (1054, 19887), (1302, 16099), (1581, 13258), (1894, 11067), (2841, 7378), (3162, 6629), (3689, 5682)]