20341857424

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{11047}}^1$

素因数の和:11504

約数の個数: 80

約数和(自身を含む): 46260539136

約数和(自身を除く): 25918681712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 401, 574, 656, 802, 1148, 1604, 2296, 2807, 3208, 4592, 5614, 6416, 11047, 11228, 16441, 22094, 22456, 32882, 44188, 44912, 65764, 77329, 88376, 115087, 131528, 154658, 176752, 230174, 263056, 309316, 452927, 460348, 618632, 905854, 920696, 1237264, 1811708, 1841392, 3170489, 3623416, 4429847, 6340978, 7246832, 8859694, 12681956, 17719388, 25363912, 31008929, 35438776, 50727824, 62017858, 70877552, 124035716, 181623727, 248071432, 363247454, 496142864, 726494908, 1271366089, 1452989816, 2542732178, 2905979632, 5085464356, 10170928712, 20341857424]

約数ペア:

[(1, 20341857424), (2, 10170928712), (4, 5085464356), (7, 2905979632), (8, 2542732178), (14, 1452989816), (16, 1271366089), (28, 726494908), (41, 496142864), (56, 363247454), (82, 248071432), (112, 181623727), (164, 124035716), (287, 70877552), (328, 62017858), (401, 50727824), (574, 35438776), (656, 31008929), (802, 25363912), (1148, 17719388), (1604, 12681956), (2296, 8859694), (2807, 7246832), (3208, 6340978), (4592, 4429847), (5614, 3623416), (6416, 3170489), (11047, 1841392), (11228, 1811708), (16441, 1237264), (22094, 920696), (22456, 905854), (32882, 618632), (44188, 460348), (44912, 452927), (65764, 309316), (77329, 263056), (88376, 230174), (115087, 176752), (131528, 154658)]