20938400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3739}}^1$

素因数の和:3766

約数の個数: 72

約数和(自身を含む): 58433760

約数和(自身を除く): 37495360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3739, 5600, 7478, 14956, 18695, 26173, 29912, 37390, 52346, 59824, 74780, 93475, 104692, 119648, 130865, 149560, 186950, 209384, 261730, 299120, 373900, 418768, 523460, 598240, 654325, 747800, 837536, 1046920, 1308650, 1495600, 2093840, 2617300, 2991200, 4187680, 5234600, 10469200, 20938400]

約数ペア:

[(1, 20938400), (2, 10469200), (4, 5234600), (5, 4187680), (7, 2991200), (8, 2617300), (10, 2093840), (14, 1495600), (16, 1308650), (20, 1046920), (25, 837536), (28, 747800), (32, 654325), (35, 598240), (40, 523460), (50, 418768), (56, 373900), (70, 299120), (80, 261730), (100, 209384), (112, 186950), (140, 149560), (160, 130865), (175, 119648), (200, 104692), (224, 93475), (280, 74780), (350, 59824), (400, 52346), (560, 37390), (700, 29912), (800, 26173), (1120, 18695), (1400, 14956), (2800, 7478), (3739, 5600)]