20167775900

素因数分解:

$2^2\times 5^2\times {\mathrm{491}}^1\times {\mathrm{410749}}^1$

素因数の和:411254

約数の個数: 36

約数和(自身を含む): 43853313000

約数和(自身を除く): 23685537100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 491, 982, 1964, 2455, 4910, 9820, 12275, 24550, 49100, 410749, 821498, 1642996, 2053745, 4107490, 8214980, 10268725, 20537450, 41074900, 201677759, 403355518, 806711036, 1008388795, 2016777590, 4033555180, 5041943975, 10083887950, 20167775900]

約数ペア:

[(1, 20167775900), (2, 10083887950), (4, 5041943975), (5, 4033555180), (10, 2016777590), (20, 1008388795), (25, 806711036), (50, 403355518), (100, 201677759), (491, 41074900), (982, 20537450), (1964, 10268725), (2455, 8214980), (4910, 4107490), (9820, 2053745), (12275, 1642996), (24550, 821498), (49100, 410749)]