20378119678

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{635347}}^1$

素因数の和:635464

約数の個数: 32

約数和(自身を含む): 36596044800

約数和(自身を除く): 16217925122

約数列:

[1, 2, 7, 14, 29, 58, 79, 158, 203, 406, 553, 1106, 2291, 4582, 16037, 32074, 635347, 1270694, 4447429, 8894858, 18425063, 36850126, 50192413, 100384826, 128975441, 257950882, 351346891, 702693782, 1455579977, 2911159954, 10189059839, 20378119678]

約数ペア:

[(1, 20378119678), (2, 10189059839), (7, 2911159954), (14, 1455579977), (29, 702693782), (58, 351346891), (79, 257950882), (158, 128975441), (203, 100384826), (406, 50192413), (553, 36850126), (1106, 18425063), (2291, 8894858), (4582, 4447429), (16037, 1270694), (32074, 635347)]