20805919616

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5605043}}^1$

素因数の和:5605086

約数の個数: 32

約数和(自身を含む): 42878586600

約数和(自身を除く): 22072666984

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5605043, 11210086, 22420172, 44840344, 89680688, 162546247, 179361376, 325092494, 358722752, 650184988, 717445504, 1300369976, 2600739952, 5201479904, 10402959808, 20805919616]

約数ペア:

[(1, 20805919616), (2, 10402959808), (4, 5201479904), (8, 2600739952), (16, 1300369976), (29, 717445504), (32, 650184988), (58, 358722752), (64, 325092494), (116, 179361376), (128, 162546247), (232, 89680688), (464, 44840344), (928, 22420172), (1856, 11210086), (3712, 5605043)]