20216672

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5309}}^1$

素因数の和:5343

約数の個数: 48

約数和(自身を含む): 48172320

約数和(自身を除く): 27955648

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5309, 10618, 21236, 37163, 42472, 74326, 84944, 90253, 148652, 169888, 180506, 297304, 361012, 594608, 631771, 722024, 1189216, 1263542, 1444048, 2527084, 2888096, 5054168, 10108336, 20216672]

約数ペア:

[(1, 20216672), (2, 10108336), (4, 5054168), (7, 2888096), (8, 2527084), (14, 1444048), (16, 1263542), (17, 1189216), (28, 722024), (32, 631771), (34, 594608), (56, 361012), (68, 297304), (112, 180506), (119, 169888), (136, 148652), (224, 90253), (238, 84944), (272, 74326), (476, 42472), (544, 37163), (952, 21236), (1904, 10618), (3808, 5309)]