20161786876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2939}}^1\times {\mathrm{22273}}^1$

素因数の和:25234

約数の個数: 48

約数和(自身を含む): 44006296320

約数和(自身を除く): 23844509444

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2939, 5878, 11756, 20573, 22273, 32329, 41146, 44546, 64658, 82292, 89092, 129316, 155911, 226303, 245003, 311822, 452606, 490006, 623644, 905212, 980012, 1715021, 3430042, 6860084, 65460347, 130920694, 261841388, 458222429, 720063817, 916444858, 1440127634, 1832889716, 2880255268, 5040446719, 10080893438, 20161786876]

約数ペア:

[(1, 20161786876), (2, 10080893438), (4, 5040446719), (7, 2880255268), (11, 1832889716), (14, 1440127634), (22, 916444858), (28, 720063817), (44, 458222429), (77, 261841388), (154, 130920694), (308, 65460347), (2939, 6860084), (5878, 3430042), (11756, 1715021), (20573, 980012), (22273, 905212), (32329, 623644), (41146, 490006), (44546, 452606), (64658, 311822), (82292, 245003), (89092, 226303), (129316, 155911)]