20176134520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{85333}}^1$

素因数の和:85624

約数の個数: 64

約数和(自身を含む): 47554931520

約数和(自身を除く): 27378797000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 257, 460, 514, 920, 1028, 1285, 2056, 2570, 5140, 5911, 10280, 11822, 23644, 29555, 47288, 59110, 85333, 118220, 170666, 236440, 341332, 426665, 682664, 853330, 1706660, 1962659, 3413320, 3925318, 7850636, 9813295, 15701272, 19626590, 21930581, 39253180, 43861162, 78506360, 87722324, 109652905, 175444648, 219305810, 438611620, 504403363, 877223240, 1008806726, 2017613452, 2522016815, 4035226904, 5044033630, 10088067260, 20176134520]

約数ペア:

[(1, 20176134520), (2, 10088067260), (4, 5044033630), (5, 4035226904), (8, 2522016815), (10, 2017613452), (20, 1008806726), (23, 877223240), (40, 504403363), (46, 438611620), (92, 219305810), (115, 175444648), (184, 109652905), (230, 87722324), (257, 78506360), (460, 43861162), (514, 39253180), (920, 21930581), (1028, 19626590), (1285, 15701272), (2056, 9813295), (2570, 7850636), (5140, 3925318), (5911, 3413320), (10280, 1962659), (11822, 1706660), (23644, 853330), (29555, 682664), (47288, 426665), (59110, 341332), (85333, 236440), (118220, 170666)]