20178690830

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1\times {\mathrm{61339}}^1$

素因数の和:61904

約数の個数: 32

約数和(自身を含む): 36939438720

約数和(自身を除く): 16760747890

約数列:

[1, 2, 5, 10, 67, 134, 335, 491, 670, 982, 2455, 4910, 32897, 61339, 65794, 122678, 164485, 306695, 328970, 613390, 4109713, 8219426, 20548565, 30117449, 41097130, 60234898, 150587245, 301174490, 2017869083, 4035738166, 10089345415, 20178690830]

約数ペア:

[(1, 20178690830), (2, 10089345415), (5, 4035738166), (10, 2017869083), (67, 301174490), (134, 150587245), (335, 60234898), (491, 41097130), (670, 30117449), (982, 20548565), (2455, 8219426), (4910, 4109713), (32897, 613390), (61339, 328970), (65794, 306695), (122678, 164485)]