20481930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10837}}^1$

素因数の和:10860

約数の個数: 64

約数和(自身を含む): 62426880

約数和(自身を除く): 41944950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10837, 21674, 32511, 54185, 65022, 75859, 97533, 108370, 151718, 162555, 195066, 227577, 292599, 325110, 379295, 455154, 487665, 585198, 682731, 758590, 975330, 1137885, 1365462, 1462995, 2048193, 2275770, 2925990, 3413655, 4096386, 6827310, 10240965, 20481930]

約数ペア:

[(1, 20481930), (2, 10240965), (3, 6827310), (5, 4096386), (6, 3413655), (7, 2925990), (9, 2275770), (10, 2048193), (14, 1462995), (15, 1365462), (18, 1137885), (21, 975330), (27, 758590), (30, 682731), (35, 585198), (42, 487665), (45, 455154), (54, 379295), (63, 325110), (70, 292599), (90, 227577), (105, 195066), (126, 162555), (135, 151718), (189, 108370), (210, 97533), (270, 75859), (315, 65022), (378, 54185), (630, 32511), (945, 21674), (1890, 10837)]