20178091504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66375301}}^1$

素因数の和:66375328

約数の個数: 20

約数和(自身を含む): 41152687240

約数和(自身を除く): 20974595736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66375301, 132750602, 265501204, 531002408, 1062004816, 1261130719, 2522261438, 5044522876, 10089045752, 20178091504]

約数ペア:

[(1, 20178091504), (2, 10089045752), (4, 5044522876), (8, 2522261438), (16, 1261130719), (19, 1062004816), (38, 531002408), (76, 265501204), (152, 132750602), (304, 66375301)]