20772356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 41620992

約数和(自身を除く): 20848636

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 97, 124, 157, 194, 314, 341, 388, 628, 682, 1067, 1364, 1727, 2134, 3007, 3454, 4268, 4867, 6014, 6908, 9734, 12028, 15229, 19468, 30458, 33077, 53537, 60916, 66154, 107074, 132308, 167519, 214148, 335038, 472099, 670076, 944198, 1888396, 5193089, 10386178, 20772356]

約数ペア:

[(1, 20772356), (2, 10386178), (4, 5193089), (11, 1888396), (22, 944198), (31, 670076), (44, 472099), (62, 335038), (97, 214148), (124, 167519), (157, 132308), (194, 107074), (314, 66154), (341, 60916), (388, 53537), (628, 33077), (682, 30458), (1067, 19468), (1364, 15229), (1727, 12028), (2134, 9734), (3007, 6908), (3454, 6014), (4268, 4867)]