20173418512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{3643}}^1$

素因数の和:4080

約数の個数: 80

約数和(自身を含む): 42763651840

約数和(自身を除く): 22590233328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 337, 632, 674, 1027, 1264, 1348, 2054, 2696, 3643, 4108, 4381, 5392, 7286, 8216, 8762, 14572, 16432, 17524, 26623, 29144, 35048, 47359, 53246, 58288, 70096, 94718, 106492, 189436, 212984, 287797, 346099, 378872, 425968, 575594, 692198, 757744, 1151188, 1227691, 1384396, 2302376, 2455382, 2768792, 3741361, 4604752, 4910764, 5537584, 7482722, 9821528, 14965444, 15959983, 19643056, 29930888, 31919966, 59861776, 63839932, 96987589, 127679864, 193975178, 255359728, 387950356, 775900712, 1260838657, 1551801424, 2521677314, 5043354628, 10086709256, 20173418512]

約数ペア:

[(1, 20173418512), (2, 10086709256), (4, 5043354628), (8, 2521677314), (13, 1551801424), (16, 1260838657), (26, 775900712), (52, 387950356), (79, 255359728), (104, 193975178), (158, 127679864), (208, 96987589), (316, 63839932), (337, 59861776), (632, 31919966), (674, 29930888), (1027, 19643056), (1264, 15959983), (1348, 14965444), (2054, 9821528), (2696, 7482722), (3643, 5537584), (4108, 4910764), (4381, 4604752), (5392, 3741361), (7286, 2768792), (8216, 2455382), (8762, 2302376), (14572, 1384396), (16432, 1227691), (17524, 1151188), (26623, 757744), (29144, 692198), (35048, 575594), (47359, 425968), (53246, 378872), (58288, 346099), (70096, 287797), (94718, 212984), (106492, 189436)]