20102720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5711}}^1$

素因数の和:5739

約数の個数: 56

約数和(自身を含む): 52230528

約数和(自身を除く): 32127808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5711, 11422, 22844, 28555, 45688, 57110, 62821, 91376, 114220, 125642, 182752, 228440, 251284, 314105, 365504, 456880, 502568, 628210, 913760, 1005136, 1256420, 1827520, 2010272, 2512840, 4020544, 5025680, 10051360, 20102720]

約数ペア:

[(1, 20102720), (2, 10051360), (4, 5025680), (5, 4020544), (8, 2512840), (10, 2010272), (11, 1827520), (16, 1256420), (20, 1005136), (22, 913760), (32, 628210), (40, 502568), (44, 456880), (55, 365504), (64, 314105), (80, 251284), (88, 228440), (110, 182752), (160, 125642), (176, 114220), (220, 91376), (320, 62821), (352, 57110), (440, 45688), (704, 28555), (880, 22844), (1760, 11422), (3520, 5711)]