20163993164

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1\times {\mathrm{14867}}^1$

素因数の和:15758

約数の個数: 48

約数和(自身を含む): 41064226560

約数和(自身を除く): 20900233396

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 821, 826, 1642, 1652, 3284, 5747, 11494, 14867, 22988, 29734, 48439, 59468, 96878, 104069, 193756, 208138, 339073, 416276, 678146, 877153, 1356292, 1754306, 3508612, 6140071, 12205807, 12280142, 24411614, 24560284, 48823228, 85440649, 170881298, 341762596, 720142613, 1440285226, 2880570452, 5040998291, 10081996582, 20163993164]

約数ペア:

[(1, 20163993164), (2, 10081996582), (4, 5040998291), (7, 2880570452), (14, 1440285226), (28, 720142613), (59, 341762596), (118, 170881298), (236, 85440649), (413, 48823228), (821, 24560284), (826, 24411614), (1642, 12280142), (1652, 12205807), (3284, 6140071), (5747, 3508612), (11494, 1754306), (14867, 1356292), (22988, 877153), (29734, 678146), (48439, 416276), (59468, 339073), (96878, 208138), (104069, 193756)]