20049400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14321}}^1$

素因数の和:14344

約数の個数: 48

約数和(自身を含む): 53277840

約数和(自身を除く): 33228440

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, 14321, 28642, 57284, 71605, 100247, 114568, 143210, 200494, 286420, 358025, 400988, 501235, 572840, 716050, 801976, 1002470, 1432100, 2004940, 2506175, 2864200, 4009880, 5012350, 10024700, 20049400]

約数ペア:

[(1, 20049400), (2, 10024700), (4, 5012350), (5, 4009880), (7, 2864200), (8, 2506175), (10, 2004940), (14, 1432100), (20, 1002470), (25, 801976), (28, 716050), (35, 572840), (40, 501235), (50, 400988), (56, 358025), (70, 286420), (100, 200494), (140, 143210), (175, 114568), (200, 100247), (280, 71605), (350, 57284), (700, 28642), (1400, 14321)]