20721024

素因数分解:

$2^7\times 3^2\times {\mathrm{17987}}^1$

素因数の和:18007

約数の個数: 48

約数和(自身を含む): 59630220

約数和(自身を除く): 38909196

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17987, 35974, 53961, 71948, 107922, 143896, 161883, 215844, 287792, 323766, 431688, 575584, 647532, 863376, 1151168, 1295064, 1726752, 2302336, 2590128, 3453504, 5180256, 6907008, 10360512, 20721024]

約数ペア:

[(1, 20721024), (2, 10360512), (3, 6907008), (4, 5180256), (6, 3453504), (8, 2590128), (9, 2302336), (12, 1726752), (16, 1295064), (18, 1151168), (24, 863376), (32, 647532), (36, 575584), (48, 431688), (64, 323766), (72, 287792), (96, 215844), (128, 161883), (144, 143896), (192, 107922), (288, 71948), (384, 53961), (576, 35974), (1152, 17987)]