20152448

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 42687000

約数和(自身を除く): 22534552

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 64, 89, 116, 122, 128, 178, 232, 244, 356, 464, 488, 712, 928, 976, 1424, 1769, 1856, 1952, 2581, 2848, 3538, 3712, 3904, 5162, 5429, 5696, 7076, 7808, 10324, 10858, 11392, 14152, 20648, 21716, 28304, 41296, 43432, 56608, 82592, 86864, 113216, 157441, 165184, 173728, 226432, 314882, 330368, 347456, 629764, 694912, 1259528, 2519056, 5038112, 10076224, 20152448]

約数ペア:

[(1, 20152448), (2, 10076224), (4, 5038112), (8, 2519056), (16, 1259528), (29, 694912), (32, 629764), (58, 347456), (61, 330368), (64, 314882), (89, 226432), (116, 173728), (122, 165184), (128, 157441), (178, 113216), (232, 86864), (244, 82592), (356, 56608), (464, 43432), (488, 41296), (712, 28304), (928, 21716), (976, 20648), (1424, 14152), (1769, 11392), (1856, 10858), (1952, 10324), (2581, 7808), (2848, 7076), (3538, 5696), (3712, 5429), (3904, 5162)]