20993420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149953}}^1$

素因数の和:149969

約数の個数: 24

約数和(自身を含む): 50384544

約数和(自身を除く): 29391124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149953, 299906, 599812, 749765, 1049671, 1499530, 2099342, 2999060, 4198684, 5248355, 10496710, 20993420]

約数ペア:

[(1, 20993420), (2, 10496710), (4, 5248355), (5, 4198684), (7, 2999060), (10, 2099342), (14, 1499530), (20, 1049671), (28, 749765), (35, 599812), (70, 299906), (140, 149953)]