20067788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 39889920

約数和(自身を除く): 19822132

約数列:

[1, 2, 4, 13, 26, 31, 52, 59, 62, 118, 124, 211, 236, 403, 422, 767, 806, 844, 1534, 1612, 1829, 2743, 3068, 3658, 5486, 6541, 7316, 10972, 12449, 13082, 23777, 24898, 26164, 47554, 49796, 85033, 95108, 161837, 170066, 323674, 340132, 385919, 647348, 771838, 1543676, 5016947, 10033894, 20067788]

約数ペア:

[(1, 20067788), (2, 10033894), (4, 5016947), (13, 1543676), (26, 771838), (31, 647348), (52, 385919), (59, 340132), (62, 323674), (118, 170066), (124, 161837), (211, 95108), (236, 85033), (403, 49796), (422, 47554), (767, 26164), (806, 24898), (844, 23777), (1534, 13082), (1612, 12449), (1829, 10972), (2743, 7316), (3068, 6541), (3658, 5486)]