20212754013

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{217559}}^1$

素因数の和:217639

約数の個数: 40

約数和(自身を含む): 32010908160

約数和(自身を除く): 11798154147

約数列:

[1, 3, 9, 27, 31, 37, 81, 93, 111, 279, 333, 837, 999, 1147, 2511, 2997, 3441, 10323, 30969, 92907, 217559, 652677, 1958031, 5874093, 6744329, 8049683, 17622279, 20232987, 24149049, 60698961, 72447147, 182096883, 217341441, 249540173, 546290649, 652024323, 748620519, 2245861557, 6737584671, 20212754013]

約数ペア:

[(1, 20212754013), (3, 6737584671), (9, 2245861557), (27, 748620519), (31, 652024323), (37, 546290649), (81, 249540173), (93, 217341441), (111, 182096883), (279, 72447147), (333, 60698961), (837, 24149049), (999, 20232987), (1147, 17622279), (2511, 8049683), (2997, 6744329), (3441, 5874093), (10323, 1958031), (30969, 652677), (92907, 217559)]