20046726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 49888800

約数和(自身を除く): 29842074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 389, 409, 778, 818, 1167, 1227, 2334, 2454, 2723, 2863, 3501, 3681, 5446, 5726, 7002, 7362, 8169, 8589, 16338, 17178, 24507, 25767, 49014, 51534, 159101, 318202, 477303, 954606, 1113707, 1431909, 2227414, 2863818, 3341121, 6682242, 10023363, 20046726]

約数ペア:

[(1, 20046726), (2, 10023363), (3, 6682242), (6, 3341121), (7, 2863818), (9, 2227414), (14, 1431909), (18, 1113707), (21, 954606), (42, 477303), (63, 318202), (126, 159101), (389, 51534), (409, 49014), (778, 25767), (818, 24507), (1167, 17178), (1227, 16338), (2334, 8589), (2454, 8169), (2723, 7362), (2863, 7002), (3501, 5726), (3681, 5446)]