20949684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{541}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 56090496

約数和(自身を除く): 35140812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 461, 541, 922, 1082, 1383, 1623, 1844, 2164, 2766, 3227, 3246, 3787, 5532, 6454, 6492, 7574, 9681, 11361, 12908, 15148, 19362, 22722, 38724, 45444, 249401, 498802, 748203, 997604, 1496406, 1745807, 2992812, 3491614, 5237421, 6983228, 10474842, 20949684]

約数ペア:

[(1, 20949684), (2, 10474842), (3, 6983228), (4, 5237421), (6, 3491614), (7, 2992812), (12, 1745807), (14, 1496406), (21, 997604), (28, 748203), (42, 498802), (84, 249401), (461, 45444), (541, 38724), (922, 22722), (1082, 19362), (1383, 15148), (1623, 12908), (1844, 11361), (2164, 9681), (2766, 7574), (3227, 6492), (3246, 6454), (3787, 5532)]