20809878

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2992

約数の個数: 32

約数和(自身を含む): 44120160

約数和(自身を除く): 23310282

約数列:

[1, 2, 3, 6, 29, 41, 58, 82, 87, 123, 174, 246, 1189, 2378, 2917, 3567, 5834, 7134, 8751, 17502, 84593, 119597, 169186, 239194, 253779, 358791, 507558, 717582, 3468313, 6936626, 10404939, 20809878]

約数ペア:

[(1, 20809878), (2, 10404939), (3, 6936626), (6, 3468313), (29, 717582), (41, 507558), (58, 358791), (82, 253779), (87, 239194), (123, 169186), (174, 119597), (246, 84593), (1189, 17502), (2378, 8751), (2917, 7134), (3567, 5834)]