20961567400

素因数分解:

$2^3\times 5^2\times {\mathrm{6091}}^1\times {\mathrm{17207}}^1$

素因数の和:23314

約数の個数: 48

約数和(自身を含む): 48746478240

約数和(自身を除く): 27784910840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 6091, 12182, 17207, 24364, 30455, 34414, 48728, 60910, 68828, 86035, 121820, 137656, 152275, 172070, 243640, 304550, 344140, 430175, 609100, 688280, 860350, 1218200, 1720700, 3441400, 104807837, 209615674, 419231348, 524039185, 838462696, 1048078370, 2096156740, 2620195925, 4192313480, 5240391850, 10480783700, 20961567400]

約数ペア:

[(1, 20961567400), (2, 10480783700), (4, 5240391850), (5, 4192313480), (8, 2620195925), (10, 2096156740), (20, 1048078370), (25, 838462696), (40, 524039185), (50, 419231348), (100, 209615674), (200, 104807837), (6091, 3441400), (12182, 1720700), (17207, 1218200), (24364, 860350), (30455, 688280), (34414, 609100), (48728, 430175), (60910, 344140), (68828, 304550), (86035, 243640), (121820, 172070), (137656, 152275)]