20387616

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{4007}}^1$

素因数の和:4073

約数の個数: 48

約数和(自身を含む): 54540864

約数和(自身を除く): 34153248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 96, 106, 159, 212, 318, 424, 636, 848, 1272, 1696, 2544, 4007, 5088, 8014, 12021, 16028, 24042, 32056, 48084, 64112, 96168, 128224, 192336, 212371, 384672, 424742, 637113, 849484, 1274226, 1698968, 2548452, 3397936, 5096904, 6795872, 10193808, 20387616]

約数ペア:

[(1, 20387616), (2, 10193808), (3, 6795872), (4, 5096904), (6, 3397936), (8, 2548452), (12, 1698968), (16, 1274226), (24, 849484), (32, 637113), (48, 424742), (53, 384672), (96, 212371), (106, 192336), (159, 128224), (212, 96168), (318, 64112), (424, 48084), (636, 32056), (848, 24042), (1272, 16028), (1696, 12021), (2544, 8014), (4007, 5088)]