20797218400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3713789}}^1$

素因数の和:3713816

約数の個数: 72

約数和(自身を含む): 58024254960

約数和(自身を除く): 37227036560

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, 5600, 3713789, 7427578, 14855156, 18568945, 25996523, 29710312, 37137890, 51993046, 59420624, 74275780, 92844725, 103986092, 118841248, 129982615, 148551560, 185689450, 207972184, 259965230, 297103120, 371378900, 415944368, 519930460, 594206240, 649913075, 742757800, 831888736, 1039860920, 1299826150, 1485515600, 2079721840, 2599652300, 2971031200, 4159443680, 5199304600, 10398609200, 20797218400]

約数ペア:

[(1, 20797218400), (2, 10398609200), (4, 5199304600), (5, 4159443680), (7, 2971031200), (8, 2599652300), (10, 2079721840), (14, 1485515600), (16, 1299826150), (20, 1039860920), (25, 831888736), (28, 742757800), (32, 649913075), (35, 594206240), (40, 519930460), (50, 415944368), (56, 371378900), (70, 297103120), (80, 259965230), (100, 207972184), (112, 185689450), (140, 148551560), (160, 129982615), (175, 118841248), (200, 103986092), (224, 92844725), (280, 74275780), (350, 59420624), (400, 51993046), (560, 37137890), (700, 29710312), (800, 25996523), (1120, 18568945), (1400, 14855156), (2800, 7427578), (5600, 3713789)]