20512671172

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1\times {\mathrm{26783}}^1$

素因数の和:28420

約数の個数: 48

約数和(自身を含む): 43467217920

約数和(自身を除く): 22954546748

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 1609, 3218, 6436, 11263, 22526, 26783, 27353, 45052, 53566, 54706, 107132, 109412, 187481, 191471, 374962, 382942, 455311, 749924, 765884, 910622, 1821244, 3187177, 6374354, 12748708, 43093847, 86187694, 172375388, 301656929, 603313858, 732595399, 1206627716, 1465190798, 2930381596, 5128167793, 10256335586, 20512671172]

約数ペア:

[(1, 20512671172), (2, 10256335586), (4, 5128167793), (7, 2930381596), (14, 1465190798), (17, 1206627716), (28, 732595399), (34, 603313858), (68, 301656929), (119, 172375388), (238, 86187694), (476, 43093847), (1609, 12748708), (3218, 6374354), (6436, 3187177), (11263, 1821244), (22526, 910622), (26783, 765884), (27353, 749924), (45052, 455311), (53566, 382942), (54706, 374962), (107132, 191471), (109412, 187481)]