20346966

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 45811584

約数和(自身を除く): 25464618

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 137, 222, 223, 274, 333, 411, 446, 666, 669, 822, 1233, 1338, 2007, 2466, 4014, 5069, 8251, 10138, 15207, 16502, 24753, 30414, 30551, 45621, 49506, 61102, 74259, 91242, 91653, 148518, 183306, 274959, 549918, 1130387, 2260774, 3391161, 6782322, 10173483, 20346966]

約数ペア:

[(1, 20346966), (2, 10173483), (3, 6782322), (6, 3391161), (9, 2260774), (18, 1130387), (37, 549918), (74, 274959), (111, 183306), (137, 148518), (222, 91653), (223, 91242), (274, 74259), (333, 61102), (411, 49506), (446, 45621), (666, 30551), (669, 30414), (822, 24753), (1233, 16502), (1338, 15207), (2007, 10138), (2466, 8251), (4014, 5069)]