20707908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10211}}^1$

素因数の和:10244

約数の個数: 36

約数和(自身を含む): 52326288

約数和(自身を除く): 31618380

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10211, 20422, 30633, 40844, 61266, 122532, 132743, 265486, 398229, 530972, 796458, 1592916, 1725659, 3451318, 5176977, 6902636, 10353954, 20707908]

約数ペア:

[(1, 20707908), (2, 10353954), (3, 6902636), (4, 5176977), (6, 3451318), (12, 1725659), (13, 1592916), (26, 796458), (39, 530972), (52, 398229), (78, 265486), (156, 132743), (169, 122532), (338, 61266), (507, 40844), (676, 30633), (1014, 20422), (2028, 10211)]