20551497267

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1031}}^1\times {\mathrm{2689}}^1$

素因数の和:4083

約数の個数: 32

約数和(自身を含む): 31447434240

約数和(自身を除く): 10895936973

約数列:

[1, 3, 7, 21, 353, 1031, 1059, 2471, 2689, 3093, 7217, 7413, 8067, 18823, 21651, 56469, 363943, 949217, 1091829, 2547601, 2772359, 2847651, 6644519, 7642803, 8317077, 19406513, 19933557, 58219539, 978642727, 2935928181, 6850499089, 20551497267]

約数ペア:

[(1, 20551497267), (3, 6850499089), (7, 2935928181), (21, 978642727), (353, 58219539), (1031, 19933557), (1059, 19406513), (2471, 8317077), (2689, 7642803), (3093, 6644519), (7217, 2847651), (7413, 2772359), (8067, 2547601), (18823, 1091829), (21651, 949217), (56469, 363943)]