20958156918

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4173269}}^1$

素因数の和:4173314

約数の個数: 40

約数和(自身を含む): 48476704320

約数和(自身を除く): 27518547402

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 5022, 4173269, 8346538, 12519807, 25039614, 37559421, 75118842, 112678263, 129371339, 225356526, 258742678, 338034789, 388114017, 676069578, 776228034, 1164342051, 2328684102, 3493026153, 6986052306, 10479078459, 20958156918]

約数ペア:

[(1, 20958156918), (2, 10479078459), (3, 6986052306), (6, 3493026153), (9, 2328684102), (18, 1164342051), (27, 776228034), (31, 676069578), (54, 388114017), (62, 338034789), (81, 258742678), (93, 225356526), (162, 129371339), (186, 112678263), (279, 75118842), (558, 37559421), (837, 25039614), (1674, 12519807), (2511, 8346538), (5022, 4173269)]