20945616

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4903}}^1$

素因数の和:5003

約数の個数: 40

約数和(自身を含む): 54728640

約数和(自身を除く): 33783024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4903, 9806, 14709, 19612, 29418, 39224, 58836, 78448, 117672, 235344, 436367, 872734, 1309101, 1745468, 2618202, 3490936, 5236404, 6981872, 10472808, 20945616]

約数ペア:

[(1, 20945616), (2, 10472808), (3, 6981872), (4, 5236404), (6, 3490936), (8, 2618202), (12, 1745468), (16, 1309101), (24, 872734), (48, 436367), (89, 235344), (178, 117672), (267, 78448), (356, 58836), (534, 39224), (712, 29418), (1068, 19612), (1424, 14709), (2136, 9806), (4272, 4903)]