20178800408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5243971}}^1$

素因数の和:5244027

約数の個数: 32

約数和(自身を含む): 41846896560

約数和(自身を除く): 21668096152

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5243971, 10487942, 20975884, 41951768, 68171623, 136343246, 194026927, 272686492, 388053854, 545372984, 776107708, 1552215416, 2522350051, 5044700102, 10089400204, 20178800408]

約数ペア:

[(1, 20178800408), (2, 10089400204), (4, 5044700102), (8, 2522350051), (13, 1552215416), (26, 776107708), (37, 545372984), (52, 388053854), (74, 272686492), (104, 194026927), (148, 136343246), (296, 68171623), (481, 41951768), (962, 20975884), (1924, 10487942), (3848, 5243971)]