20370812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 47591040

約数和(自身を除く): 27220228

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 59, 76, 77, 118, 133, 154, 209, 236, 266, 308, 413, 418, 532, 649, 826, 836, 1121, 1298, 1463, 1652, 2242, 2596, 2926, 3481, 4484, 4543, 5852, 6962, 7847, 9086, 12331, 13924, 15694, 18172, 24367, 24662, 31388, 38291, 48734, 49324, 66139, 76582, 86317, 97468, 132278, 153164, 172634, 264556, 268037, 345268, 462973, 536074, 727529, 925946, 1072148, 1455058, 1851892, 2910116, 5092703, 10185406, 20370812]

約数ペア:

[(1, 20370812), (2, 10185406), (4, 5092703), (7, 2910116), (11, 1851892), (14, 1455058), (19, 1072148), (22, 925946), (28, 727529), (38, 536074), (44, 462973), (59, 345268), (76, 268037), (77, 264556), (118, 172634), (133, 153164), (154, 132278), (209, 97468), (236, 86317), (266, 76582), (308, 66139), (413, 49324), (418, 48734), (532, 38291), (649, 31388), (826, 24662), (836, 24367), (1121, 18172), (1298, 15694), (1463, 13924), (1652, 12331), (2242, 9086), (2596, 7847), (2926, 6962), (3481, 5852), (4484, 4543)]