20464128

素因数分解:

$2^9\times 3^2\times {\mathrm{4441}}^1$

素因数の和:4465

約数の個数: 60

約数和(自身を含む): 59074158

約数和(自身を除く): 38610030

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4441, 4608, 8882, 13323, 17764, 26646, 35528, 39969, 53292, 71056, 79938, 106584, 142112, 159876, 213168, 284224, 319752, 426336, 568448, 639504, 852672, 1136896, 1279008, 1705344, 2273792, 2558016, 3410688, 5116032, 6821376, 10232064, 20464128]

約数ペア:

[(1, 20464128), (2, 10232064), (3, 6821376), (4, 5116032), (6, 3410688), (8, 2558016), (9, 2273792), (12, 1705344), (16, 1279008), (18, 1136896), (24, 852672), (32, 639504), (36, 568448), (48, 426336), (64, 319752), (72, 284224), (96, 213168), (128, 159876), (144, 142112), (192, 106584), (256, 79938), (288, 71056), (384, 53292), (512, 39969), (576, 35528), (768, 26646), (1152, 17764), (1536, 13323), (2304, 8882), (4441, 4608)]