20688402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13313}}^1$

素因数の和:13362

約数の個数: 32

約数和(自身を含む): 48569472

約数和(自身を除く): 27881070

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13313, 26626, 39939, 79878, 93191, 186382, 279573, 492581, 559146, 985162, 1477743, 2955486, 3448067, 6896134, 10344201, 20688402]

約数ペア:

[(1, 20688402), (2, 10344201), (3, 6896134), (6, 3448067), (7, 2955486), (14, 1477743), (21, 985162), (37, 559146), (42, 492581), (74, 279573), (111, 186382), (222, 93191), (259, 79878), (518, 39939), (777, 26626), (1554, 13313)]