20123821053

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1433}}^1\times {\mathrm{2207}}^1$

素因数の和:3754

約数の個数: 48

約数和(自身を含む): 33587813376

約数和(自身を除く): 13463992323

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 1433, 2121, 2207, 4299, 6363, 6621, 10031, 12897, 15449, 19863, 30093, 46347, 90279, 139041, 144733, 222907, 434199, 668721, 1013131, 1302597, 1560349, 2006163, 3039393, 3162631, 4681047, 9118179, 9487893, 14043141, 22138417, 28463679, 66415251, 199245753, 319425731, 958277193, 2235980117, 2874831579, 6707940351, 20123821053]

約数ペア:

[(1, 20123821053), (3, 6707940351), (7, 2874831579), (9, 2235980117), (21, 958277193), (63, 319425731), (101, 199245753), (303, 66415251), (707, 28463679), (909, 22138417), (1433, 14043141), (2121, 9487893), (2207, 9118179), (4299, 4681047), (6363, 3162631), (6621, 3039393), (10031, 2006163), (12897, 1560349), (15449, 1302597), (19863, 1013131), (30093, 668721), (46347, 434199), (90279, 222907), (139041, 144733)]