20686470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98507}}^1$

素因数の和:98524

約数の個数: 32

約数和(自身を含む): 56740608

約数和(自身を除く): 36054138

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98507, 197014, 295521, 492535, 591042, 689549, 985070, 1379098, 1477605, 2068647, 2955210, 3447745, 4137294, 6895490, 10343235, 20686470]

約数ペア:

[(1, 20686470), (2, 10343235), (3, 6895490), (5, 4137294), (6, 3447745), (7, 2955210), (10, 2068647), (14, 1477605), (15, 1379098), (21, 985070), (30, 689549), (35, 591042), (42, 492535), (70, 295521), (105, 197014), (210, 98507)]