20111676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 52141824

約数和(自身を除く): 32030148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 169, 188, 211, 282, 338, 422, 507, 564, 611, 633, 676, 844, 1014, 1222, 1266, 1833, 2028, 2444, 2532, 2743, 3666, 5486, 7332, 7943, 8229, 9917, 10972, 15886, 16458, 19834, 23829, 29751, 31772, 32916, 35659, 39668, 47658, 59502, 71318, 95316, 106977, 119004, 128921, 142636, 213954, 257842, 386763, 427908, 515684, 773526, 1547052, 1675973, 3351946, 5027919, 6703892, 10055838, 20111676]

約数ペア:

[(1, 20111676), (2, 10055838), (3, 6703892), (4, 5027919), (6, 3351946), (12, 1675973), (13, 1547052), (26, 773526), (39, 515684), (47, 427908), (52, 386763), (78, 257842), (94, 213954), (141, 142636), (156, 128921), (169, 119004), (188, 106977), (211, 95316), (282, 71318), (338, 59502), (422, 47658), (507, 39668), (564, 35659), (611, 32916), (633, 31772), (676, 29751), (844, 23829), (1014, 19834), (1222, 16458), (1266, 15886), (1833, 10972), (2028, 9917), (2444, 8229), (2532, 7943), (2743, 7332), (3666, 5486)]