20441896

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19474904

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 593, 1112, 1186, 2372, 4309, 4744, 8618, 17236, 18383, 34472, 36766, 73532, 82427, 147064, 164854, 329708, 659416, 2555237, 5110474, 10220948, 20441896]

約数ペア:

[(1, 20441896), (2, 10220948), (4, 5110474), (8, 2555237), (31, 659416), (62, 329708), (124, 164854), (139, 147064), (248, 82427), (278, 73532), (556, 36766), (593, 34472), (1112, 18383), (1186, 17236), (2372, 8618), (4309, 4744)]