20278330

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{38261}}^1$

素因数の和:38321

約数の個数: 16

約数和(自身を含む): 37190664

約数和(自身を除く): 16912334

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 38261, 76522, 191305, 382610, 2027833, 4055666, 10139165, 20278330]

約数ペア:

[(1, 20278330), (2, 10139165), (5, 4055666), (10, 2027833), (53, 382610), (106, 191305), (265, 76522), (530, 38261)]