20001100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28573}}^1$

素因数の和:28594

約数の個数: 36

約数和(自身を含む): 49604464

約数和(自身を除く): 29603364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28573, 57146, 114292, 142865, 200011, 285730, 400022, 571460, 714325, 800044, 1000055, 1428650, 2000110, 2857300, 4000220, 5000275, 10000550, 20001100]

約数ペア:

[(1, 20001100), (2, 10000550), (4, 5000275), (5, 4000220), (7, 2857300), (10, 2000110), (14, 1428650), (20, 1000055), (25, 800044), (28, 714325), (35, 571460), (50, 400022), (70, 285730), (100, 200011), (140, 142865), (175, 114292), (350, 57146), (700, 28573)]