20330370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 53085240

約数和(自身を除く): 32754870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 397, 569, 794, 1138, 1191, 1707, 1985, 2382, 2845, 3414, 3573, 3970, 5121, 5690, 5955, 7146, 8535, 10242, 11910, 17070, 17865, 25605, 35730, 51210, 225893, 451786, 677679, 1129465, 1355358, 2033037, 2258930, 3388395, 4066074, 6776790, 10165185, 20330370]

約数ペア:

[(1, 20330370), (2, 10165185), (3, 6776790), (5, 4066074), (6, 3388395), (9, 2258930), (10, 2033037), (15, 1355358), (18, 1129465), (30, 677679), (45, 451786), (90, 225893), (397, 51210), (569, 35730), (794, 25605), (1138, 17865), (1191, 17070), (1707, 11910), (1985, 10242), (2382, 8535), (2845, 7146), (3414, 5955), (3573, 5690), (3970, 5121)]