20924504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 40857600

約数和(自身を除く): 19933096

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 607, 1112, 1214, 2428, 4309, 4856, 8618, 17236, 18817, 34472, 37634, 75268, 84373, 150536, 168746, 337492, 674984, 2615563, 5231126, 10462252, 20924504]

約数ペア:

[(1, 20924504), (2, 10462252), (4, 5231126), (8, 2615563), (31, 674984), (62, 337492), (124, 168746), (139, 150536), (248, 84373), (278, 75268), (556, 37634), (607, 34472), (1112, 18817), (1214, 17236), (2428, 8618), (4309, 4856)]