20702977771

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1\times {\mathrm{1877}}^1$

素因数の和:2683

約数の個数: 32

約数和(自身を含む): 25153781760

約数和(自身を除く): 4450803989

約数列:

[1, 7, 19, 127, 133, 653, 889, 1877, 2413, 4571, 12407, 13139, 16891, 35663, 82931, 86849, 238379, 249641, 580517, 1225681, 1575689, 1668653, 4529201, 8579767, 11029823, 23287939, 31704407, 155661487, 163015573, 1089630409, 2957568253, 20702977771]

約数ペア:

[(1, 20702977771), (7, 2957568253), (19, 1089630409), (127, 163015573), (133, 155661487), (653, 31704407), (889, 23287939), (1877, 11029823), (2413, 8579767), (4571, 4529201), (12407, 1668653), (13139, 1575689), (16891, 1225681), (35663, 580517), (82931, 249641), (86849, 238379)]