20603221492

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1040777}}^1$

素因数の和:1040896

約数の個数: 36

約数和(自身を含む): 42357583044

約数和(自身を除く): 21754361552

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1414, 2828, 4949, 9898, 19796, 1040777, 2081554, 4163108, 7285439, 14570878, 29141756, 50998073, 101996146, 105118477, 203992292, 210236954, 420473908, 735829339, 1471658678, 2943317356, 5150805373, 10301610746, 20603221492]

約数ペア:

[(1, 20603221492), (2, 10301610746), (4, 5150805373), (7, 2943317356), (14, 1471658678), (28, 735829339), (49, 420473908), (98, 210236954), (101, 203992292), (196, 105118477), (202, 101996146), (404, 50998073), (707, 29141756), (1414, 14570878), (2828, 7285439), (4949, 4163108), (9898, 2081554), (19796, 1040777)]