20139965778

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{177761}}^1$

素因数の和:178610

約数の個数: 32

約数和(自身を含む): 42082664832

約数和(自身を除く): 21942699054

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 821, 1642, 2463, 4926, 18883, 37766, 56649, 113298, 177761, 355522, 533283, 1066566, 4088503, 8177006, 12265509, 24531018, 145941781, 291883562, 437825343, 875650686, 3356660963, 6713321926, 10069982889, 20139965778]

約数ペア:

[(1, 20139965778), (2, 10069982889), (3, 6713321926), (6, 3356660963), (23, 875650686), (46, 437825343), (69, 291883562), (138, 145941781), (821, 24531018), (1642, 12265509), (2463, 8177006), (4926, 4088503), (18883, 1066566), (37766, 533283), (56649, 355522), (113298, 177761)]