20218072797

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{68329}}^1$

素因数の和:68635

約数の個数: 40

約数和(自身を含む): 32641787640

約数和(自身を除く): 12423714843

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 281, 351, 843, 1053, 2529, 3653, 7587, 10959, 22761, 32877, 68329, 98631, 204987, 295893, 614961, 888277, 1844883, 2664831, 5534649, 7994493, 19200449, 23983479, 57601347, 71950437, 172804041, 249605837, 518412123, 748817511, 1555236369, 2246452533, 6739357599, 20218072797]

約数ペア:

[(1, 20218072797), (3, 6739357599), (9, 2246452533), (13, 1555236369), (27, 748817511), (39, 518412123), (81, 249605837), (117, 172804041), (281, 71950437), (351, 57601347), (843, 23983479), (1053, 19200449), (2529, 7994493), (3653, 5534649), (7587, 2664831), (10959, 1844883), (22761, 888277), (32877, 614961), (68329, 295893), (98631, 204987)]