20545112

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3083}}^1$

素因数の和:3120

約数の個数: 48

約数和(自身を含む): 47462760

約数和(自身を除く): 26917648

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3083, 3332, 6166, 6664, 12332, 21581, 24664, 43162, 52411, 86324, 104822, 151067, 172648, 209644, 302134, 366877, 419288, 604268, 733754, 1208536, 1467508, 2568139, 2935016, 5136278, 10272556, 20545112]

約数ペア:

[(1, 20545112), (2, 10272556), (4, 5136278), (7, 2935016), (8, 2568139), (14, 1467508), (17, 1208536), (28, 733754), (34, 604268), (49, 419288), (56, 366877), (68, 302134), (98, 209644), (119, 172648), (136, 151067), (196, 104822), (238, 86324), (392, 52411), (476, 43162), (833, 24664), (952, 21581), (1666, 12332), (3083, 6664), (3332, 6166)]