20783776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1063}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 24261728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1063, 1222, 1504, 2126, 2444, 4252, 4888, 8504, 9776, 13819, 17008, 19552, 27638, 34016, 49961, 55276, 99922, 110552, 199844, 221104, 399688, 442208, 649493, 799376, 1298986, 1598752, 2597972, 5195944, 10391888, 20783776]

約数ペア:

[(1, 20783776), (2, 10391888), (4, 5195944), (8, 2597972), (13, 1598752), (16, 1298986), (26, 799376), (32, 649493), (47, 442208), (52, 399688), (94, 221104), (104, 199844), (188, 110552), (208, 99922), (376, 55276), (416, 49961), (611, 34016), (752, 27638), (1063, 19552), (1222, 17008), (1504, 13819), (2126, 9776), (2444, 8504), (4252, 4888)]