20522045752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{307843}}^1$

素因数の和:308503

約数の個数: 32

約数和(自身を含む): 41503528080

約数和(自身を除く): 20981482328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 641, 1282, 2564, 5128, 8333, 16666, 33332, 66664, 307843, 615686, 1231372, 2462744, 4001959, 8003918, 16007836, 32015672, 197327363, 394654726, 789309452, 1578618904, 2565255719, 5130511438, 10261022876, 20522045752]

約数ペア:

[(1, 20522045752), (2, 10261022876), (4, 5130511438), (8, 2565255719), (13, 1578618904), (26, 789309452), (52, 394654726), (104, 197327363), (641, 32015672), (1282, 16007836), (2564, 8003918), (5128, 4001959), (8333, 2462744), (16666, 1231372), (33332, 615686), (66664, 307843)]