20383748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 47449920

約数和(自身を除く): 27066172

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 229, 238, 289, 308, 374, 458, 476, 578, 748, 916, 1156, 1309, 1603, 2023, 2519, 2618, 3179, 3206, 3893, 4046, 5038, 5236, 6358, 6412, 7786, 8092, 10076, 12716, 15572, 17633, 22253, 27251, 35266, 42823, 44506, 54502, 66181, 70532, 85646, 89012, 109004, 132362, 171292, 264724, 299761, 463267, 599522, 727991, 926534, 1199044, 1455982, 1853068, 2911964, 5095937, 10191874, 20383748]

約数ペア:

[(1, 20383748), (2, 10191874), (4, 5095937), (7, 2911964), (11, 1853068), (14, 1455982), (17, 1199044), (22, 926534), (28, 727991), (34, 599522), (44, 463267), (68, 299761), (77, 264724), (119, 171292), (154, 132362), (187, 109004), (229, 89012), (238, 85646), (289, 70532), (308, 66181), (374, 54502), (458, 44506), (476, 42823), (578, 35266), (748, 27251), (916, 22253), (1156, 17633), (1309, 15572), (1603, 12716), (2023, 10076), (2519, 8092), (2618, 7786), (3179, 6412), (3206, 6358), (3893, 5236), (4046, 5038)]