20193896

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 19308184

約数列:

[1, 2, 4, 8, 31, 62, 107, 124, 214, 248, 428, 761, 856, 1522, 3044, 3317, 6088, 6634, 13268, 23591, 26536, 47182, 81427, 94364, 162854, 188728, 325708, 651416, 2524237, 5048474, 10096948, 20193896]

約数ペア:

[(1, 20193896), (2, 10096948), (4, 5048474), (8, 2524237), (31, 651416), (62, 325708), (107, 188728), (124, 162854), (214, 94364), (248, 81427), (428, 47182), (761, 26536), (856, 23591), (1522, 13268), (3044, 6634), (3317, 6088)]