20163486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 47923200

約数和(自身を除く): 27759714

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 79, 103, 118, 158, 177, 206, 237, 309, 354, 413, 474, 553, 618, 721, 826, 1106, 1239, 1442, 1659, 2163, 2478, 3318, 4326, 4661, 6077, 8137, 9322, 12154, 13983, 16274, 18231, 24411, 27966, 32627, 36462, 42539, 48822, 56959, 65254, 85078, 97881, 113918, 127617, 170877, 195762, 255234, 341754, 480083, 960166, 1440249, 2880498, 3360581, 6721162, 10081743, 20163486]

約数ペア:

[(1, 20163486), (2, 10081743), (3, 6721162), (6, 3360581), (7, 2880498), (14, 1440249), (21, 960166), (42, 480083), (59, 341754), (79, 255234), (103, 195762), (118, 170877), (158, 127617), (177, 113918), (206, 97881), (237, 85078), (309, 65254), (354, 56959), (413, 48822), (474, 42539), (553, 36462), (618, 32627), (721, 27966), (826, 24411), (1106, 18231), (1239, 16274), (1442, 13983), (1659, 12154), (2163, 9322), (2478, 8137), (3318, 6077), (4326, 4661)]