20977600

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1873}}^1$

素因数の和:1902

約数の個数: 84

約数和(自身を含む): 59023504

約数和(自身を除く): 38045904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 1873, 2240, 2800, 3746, 5600, 7492, 9365, 11200, 13111, 14984, 18730, 26222, 29968, 37460, 46825, 52444, 59936, 65555, 74920, 93650, 104888, 119872, 131110, 149840, 187300, 209776, 262220, 299680, 327775, 374600, 419552, 524440, 599360, 655550, 749200, 839104, 1048880, 1311100, 1498400, 2097760, 2622200, 2996800, 4195520, 5244400, 10488800, 20977600]

約数ペア:

[(1, 20977600), (2, 10488800), (4, 5244400), (5, 4195520), (7, 2996800), (8, 2622200), (10, 2097760), (14, 1498400), (16, 1311100), (20, 1048880), (25, 839104), (28, 749200), (32, 655550), (35, 599360), (40, 524440), (50, 419552), (56, 374600), (64, 327775), (70, 299680), (80, 262220), (100, 209776), (112, 187300), (140, 149840), (160, 131110), (175, 119872), (200, 104888), (224, 93650), (280, 74920), (320, 65555), (350, 59936), (400, 52444), (448, 46825), (560, 37460), (700, 29968), (800, 26222), (1120, 18730), (1400, 14984), (1600, 13111), (1873, 11200), (2240, 9365), (2800, 7492), (3746, 5600)]