20176722725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1\times {\mathrm{751}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 26609249280

約数和(自身を除く): 6432526555

約数列:

[1, 5, 19, 25, 95, 163, 347, 475, 751, 815, 1735, 3097, 3755, 4075, 6593, 8675, 14269, 15485, 18775, 32965, 56561, 71345, 77425, 122413, 164825, 260597, 282805, 356725, 612065, 1074659, 1302985, 1414025, 2325847, 3060325, 4951343, 5373295, 6514925, 11629235, 24756715, 26866475, 42477311, 58146175, 123783575, 212386555, 807068909, 1061932775, 4035344545, 20176722725]

約数ペア:

[(1, 20176722725), (5, 4035344545), (19, 1061932775), (25, 807068909), (95, 212386555), (163, 123783575), (347, 58146175), (475, 42477311), (751, 26866475), (815, 24756715), (1735, 11629235), (3097, 6514925), (3755, 5373295), (4075, 4951343), (6593, 3060325), (8675, 2325847), (14269, 1414025), (15485, 1302985), (18775, 1074659), (32965, 612065), (56561, 356725), (71345, 282805), (77425, 260597), (122413, 164825)]