20008492

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 42477120

約数和(自身を除く): 22468628

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 574, 601, 812, 1148, 1189, 1202, 2378, 2404, 4207, 4756, 8323, 8414, 16646, 16828, 17429, 24641, 33292, 34858, 49282, 69716, 98564, 122003, 172487, 244006, 344974, 488012, 689948, 714589, 1429178, 2858356, 5002123, 10004246, 20008492]

約数ペア:

[(1, 20008492), (2, 10004246), (4, 5002123), (7, 2858356), (14, 1429178), (28, 714589), (29, 689948), (41, 488012), (58, 344974), (82, 244006), (116, 172487), (164, 122003), (203, 98564), (287, 69716), (406, 49282), (574, 34858), (601, 33292), (812, 24641), (1148, 17429), (1189, 16828), (1202, 16646), (2378, 8414), (2404, 8323), (4207, 4756)]