19967680

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2713}}^1$

素因数の和:2753

約数の個数: 56

約数和(自身を含む): 49633632

約数和(自身を除く): 29665952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2713, 3680, 5426, 7360, 10852, 13565, 21704, 27130, 43408, 54260, 62399, 86816, 108520, 124798, 173632, 217040, 249596, 311995, 434080, 499192, 623990, 868160, 998384, 1247980, 1996768, 2495960, 3993536, 4991920, 9983840, 19967680]

約数ペア:

[(1, 19967680), (2, 9983840), (4, 4991920), (5, 3993536), (8, 2495960), (10, 1996768), (16, 1247980), (20, 998384), (23, 868160), (32, 623990), (40, 499192), (46, 434080), (64, 311995), (80, 249596), (92, 217040), (115, 173632), (160, 124798), (184, 108520), (230, 86816), (320, 62399), (368, 54260), (460, 43408), (736, 27130), (920, 21704), (1472, 13565), (1840, 10852), (2713, 7360), (3680, 5426)]