20123488

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8167}}^1$

素因数の和:8195

約数の個数: 48

約数和(自身を含む): 49400064

約数和(自身を除く): 29276576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8167, 16334, 32668, 57169, 65336, 89837, 114338, 130672, 179674, 228676, 261344, 359348, 457352, 628859, 718696, 914704, 1257718, 1437392, 1829408, 2515436, 2874784, 5030872, 10061744, 20123488]

約数ペア:

[(1, 20123488), (2, 10061744), (4, 5030872), (7, 2874784), (8, 2515436), (11, 1829408), (14, 1437392), (16, 1257718), (22, 914704), (28, 718696), (32, 628859), (44, 457352), (56, 359348), (77, 261344), (88, 228676), (112, 179674), (154, 130672), (176, 114338), (224, 89837), (308, 65336), (352, 57169), (616, 32668), (1232, 16334), (2464, 8167)]