20122720137

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{10399}}^1$

素因数の和:10607

約数の個数: 64

約数和(自身を含む): 33196800000

約数和(自身を除く): 13074079863

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 149, 333, 351, 447, 481, 999, 1341, 1443, 1937, 4023, 4329, 5513, 5811, 10399, 12987, 16539, 17433, 31197, 49617, 52299, 71669, 93591, 135187, 148851, 215007, 280773, 384763, 405561, 645021, 1154289, 1216683, 1549451, 1935063, 3462867, 3650049, 4648353, 5001919, 10388601, 13945059, 15005757, 20142863, 41835177, 45017271, 57329687, 60428589, 135051813, 171989061, 181285767, 515967183, 543857301, 745285931, 1547901549, 2235857793, 6707573379, 20122720137]

約数ペア:

[(1, 20122720137), (3, 6707573379), (9, 2235857793), (13, 1547901549), (27, 745285931), (37, 543857301), (39, 515967183), (111, 181285767), (117, 171989061), (149, 135051813), (333, 60428589), (351, 57329687), (447, 45017271), (481, 41835177), (999, 20142863), (1341, 15005757), (1443, 13945059), (1937, 10388601), (4023, 5001919), (4329, 4648353), (5513, 3650049), (5811, 3462867), (10399, 1935063), (12987, 1549451), (16539, 1216683), (17433, 1154289), (31197, 645021), (49617, 405561), (52299, 384763), (71669, 280773), (93591, 215007), (135187, 148851)]