20707624

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 26466776

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 41, 56, 58, 82, 116, 164, 203, 232, 287, 311, 328, 406, 574, 622, 812, 1148, 1189, 1244, 1624, 2177, 2296, 2378, 2488, 4354, 4756, 8323, 8708, 9019, 9512, 12751, 16646, 17416, 18038, 25502, 33292, 36076, 51004, 63133, 66584, 72152, 89257, 102008, 126266, 178514, 252532, 357028, 369779, 505064, 714056, 739558, 1479116, 2588453, 2958232, 5176906, 10353812, 20707624]

約数ペア:

[(1, 20707624), (2, 10353812), (4, 5176906), (7, 2958232), (8, 2588453), (14, 1479116), (28, 739558), (29, 714056), (41, 505064), (56, 369779), (58, 357028), (82, 252532), (116, 178514), (164, 126266), (203, 102008), (232, 89257), (287, 72152), (311, 66584), (328, 63133), (406, 51004), (574, 36076), (622, 33292), (812, 25502), (1148, 18038), (1189, 17416), (1244, 16646), (1624, 12751), (2177, 9512), (2296, 9019), (2378, 8708), (2488, 8323), (4354, 4756)]