20456384

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1117

約数の個数: 56

約数和(自身を含む): 45659040

約数和(自身を除く): 25202656

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1069, 1196, 1472, 2138, 2392, 4276, 4784, 8552, 9568, 13897, 17104, 19136, 24587, 27794, 34208, 49174, 55588, 68416, 98348, 111176, 196696, 222352, 319631, 393392, 444704, 639262, 786784, 889408, 1278524, 1573568, 2557048, 5114096, 10228192, 20456384]

約数ペア:

[(1, 20456384), (2, 10228192), (4, 5114096), (8, 2557048), (13, 1573568), (16, 1278524), (23, 889408), (26, 786784), (32, 639262), (46, 444704), (52, 393392), (64, 319631), (92, 222352), (104, 196696), (184, 111176), (208, 98348), (299, 68416), (368, 55588), (416, 49174), (598, 34208), (736, 27794), (832, 24587), (1069, 19136), (1196, 17104), (1472, 13897), (2138, 9568), (2392, 8552), (4276, 4784)]