20578590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 34717410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 199, 270, 383, 398, 597, 766, 995, 1149, 1194, 1791, 1915, 1990, 2298, 2985, 3447, 3582, 3830, 5373, 5745, 5970, 6894, 8955, 10341, 10746, 11490, 17235, 17910, 20682, 26865, 34470, 51705, 53730, 76217, 103410, 152434, 228651, 381085, 457302, 685953, 762170, 1143255, 1371906, 2057859, 2286510, 3429765, 4115718, 6859530, 10289295, 20578590]

約数ペア:

[(1, 20578590), (2, 10289295), (3, 6859530), (5, 4115718), (6, 3429765), (9, 2286510), (10, 2057859), (15, 1371906), (18, 1143255), (27, 762170), (30, 685953), (45, 457302), (54, 381085), (90, 228651), (135, 152434), (199, 103410), (270, 76217), (383, 53730), (398, 51705), (597, 34470), (766, 26865), (995, 20682), (1149, 17910), (1194, 17235), (1791, 11490), (1915, 10746), (1990, 10341), (2298, 8955), (2985, 6894), (3447, 5970), (3582, 5745), (3830, 5373)]