20340736

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 56

約数和(自身を含む): 44037504

約数和(自身を除く): 23696768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 191, 208, 256, 382, 416, 512, 764, 832, 1024, 1528, 1664, 2048, 2483, 3056, 3328, 4096, 4966, 6112, 6656, 8192, 9932, 12224, 13312, 19864, 24448, 26624, 39728, 48896, 53248, 79456, 97792, 106496, 158912, 195584, 317824, 391168, 635648, 782336, 1271296, 1564672, 2542592, 5085184, 10170368, 20340736]

約数ペア:

[(1, 20340736), (2, 10170368), (4, 5085184), (8, 2542592), (13, 1564672), (16, 1271296), (26, 782336), (32, 635648), (52, 391168), (64, 317824), (104, 195584), (128, 158912), (191, 106496), (208, 97792), (256, 79456), (382, 53248), (416, 48896), (512, 39728), (764, 26624), (832, 24448), (1024, 19864), (1528, 13312), (1664, 12224), (2048, 9932), (2483, 8192), (3056, 6656), (3328, 6112), (4096, 4966)]