20516250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5471}}^1$

素因数の和:5496

約数の個数: 40

約数和(自身を含む): 51283584

約数和(自身を除く): 30767334

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5471, 10942, 16413, 27355, 32826, 54710, 82065, 136775, 164130, 273550, 410325, 683875, 820650, 1367750, 2051625, 3419375, 4103250, 6838750, 10258125, 20516250]

約数ペア:

[(1, 20516250), (2, 10258125), (3, 6838750), (5, 4103250), (6, 3419375), (10, 2051625), (15, 1367750), (25, 820650), (30, 683875), (50, 410325), (75, 273550), (125, 164130), (150, 136775), (250, 82065), (375, 54710), (625, 32826), (750, 27355), (1250, 16413), (1875, 10942), (3750, 5471)]