20749400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14821}}^1$

素因数の和:14844

約数の個数: 48

約数和(自身を含む): 55137840

約数和(自身を除く): 34388440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14821, 29642, 59284, 74105, 103747, 118568, 148210, 207494, 296420, 370525, 414988, 518735, 592840, 741050, 829976, 1037470, 1482100, 2074940, 2593675, 2964200, 4149880, 5187350, 10374700, 20749400]

約数ペア:

[(1, 20749400), (2, 10374700), (4, 5187350), (5, 4149880), (7, 2964200), (8, 2593675), (10, 2074940), (14, 1482100), (20, 1037470), (25, 829976), (28, 741050), (35, 592840), (40, 518735), (50, 414988), (56, 370525), (70, 296420), (100, 207494), (140, 148210), (175, 118568), (200, 103747), (280, 74105), (350, 59284), (700, 29642), (1400, 14821)]