20698938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1743

約数の個数: 48

約数和(自身を含む): 49238280

約数和(自身を除く): 28539342

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 1669, 2067, 3338, 4134, 5007, 6201, 10014, 12402, 15021, 21697, 30042, 43394, 65091, 88457, 130182, 176914, 195273, 265371, 390546, 530742, 796113, 1149941, 1592226, 2299882, 3449823, 6899646, 10349469, 20698938]

約数ペア:

[(1, 20698938), (2, 10349469), (3, 6899646), (6, 3449823), (9, 2299882), (13, 1592226), (18, 1149941), (26, 796113), (39, 530742), (53, 390546), (78, 265371), (106, 195273), (117, 176914), (159, 130182), (234, 88457), (318, 65091), (477, 43394), (689, 30042), (954, 21697), (1378, 15021), (1669, 12402), (2067, 10014), (3338, 6201), (4134, 5007)]