20937332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 20213260

約数列:

[1, 2, 4, 13, 26, 52, 53, 71, 106, 107, 142, 212, 214, 284, 428, 689, 923, 1378, 1391, 1846, 2756, 2782, 3692, 3763, 5564, 5671, 7526, 7597, 11342, 15052, 15194, 22684, 30388, 48919, 73723, 97838, 98761, 147446, 195676, 197522, 294892, 395044, 402641, 805282, 1610564, 5234333, 10468666, 20937332]

約数ペア:

[(1, 20937332), (2, 10468666), (4, 5234333), (13, 1610564), (26, 805282), (52, 402641), (53, 395044), (71, 294892), (106, 197522), (107, 195676), (142, 147446), (212, 98761), (214, 97838), (284, 73723), (428, 48919), (689, 30388), (923, 22684), (1378, 15194), (1391, 15052), (1846, 11342), (2756, 7597), (2782, 7526), (3692, 5671), (3763, 5564)]