20158996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2711}}^1$

素因数の和:2752

約数の個数: 36

約数和(自身を含む): 41688864

約数和(自身を除く): 21529868

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2711, 3718, 5422, 7436, 10844, 29821, 35243, 59642, 70486, 119284, 140972, 387673, 458159, 775346, 916318, 1550692, 1832636, 5039749, 10079498, 20158996]

約数ペア:

[(1, 20158996), (2, 10079498), (4, 5039749), (11, 1832636), (13, 1550692), (22, 916318), (26, 775346), (44, 458159), (52, 387673), (143, 140972), (169, 119284), (286, 70486), (338, 59642), (572, 35243), (676, 29821), (1859, 10844), (2711, 7436), (3718, 5422)]