20851500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13901}}^1$

素因数の和:13923

約数の個数: 48

約数和(自身を含む): 60723936

約数和(自身を除く): 39872436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13901, 27802, 41703, 55604, 69505, 83406, 139010, 166812, 208515, 278020, 347525, 417030, 695050, 834060, 1042575, 1390100, 1737625, 2085150, 3475250, 4170300, 5212875, 6950500, 10425750, 20851500]

約数ペア:

[(1, 20851500), (2, 10425750), (3, 6950500), (4, 5212875), (5, 4170300), (6, 3475250), (10, 2085150), (12, 1737625), (15, 1390100), (20, 1042575), (25, 834060), (30, 695050), (50, 417030), (60, 347525), (75, 278020), (100, 208515), (125, 166812), (150, 139010), (250, 83406), (300, 69505), (375, 55604), (500, 41703), (750, 27802), (1500, 13901)]