20124881469

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^2$

素因数の和:2655

約数の個数: 72

約数和(自身を含む): 38403488448

約数和(自身を除く): 18278606979

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1307, 1309, 1683, 3921, 3927, 9149, 11763, 11781, 14377, 22219, 27447, 43131, 66657, 82341, 100639, 129393, 155533, 199971, 244409, 301917, 466599, 733227, 905751, 1399797, 1708249, 1710863, 2199681, 5124747, 5132589, 11957743, 15374241, 15397767, 18790739, 29040233, 35873229, 56372217, 87120699, 107619687, 131535173, 169116651, 203281631, 261362097, 319442563, 394605519, 609844893, 958327689, 1183816557, 1829534679, 2236097941, 2874983067, 6708293823, 20124881469]

約数ペア:

[(1, 20124881469), (3, 6708293823), (7, 2874983067), (9, 2236097941), (11, 1829534679), (17, 1183816557), (21, 958327689), (33, 609844893), (51, 394605519), (63, 319442563), (77, 261362097), (99, 203281631), (119, 169116651), (153, 131535173), (187, 107619687), (231, 87120699), (357, 56372217), (561, 35873229), (693, 29040233), (1071, 18790739), (1307, 15397767), (1309, 15374241), (1683, 11957743), (3921, 5132589), (3927, 5124747), (9149, 2199681), (11763, 1710863), (11781, 1708249), (14377, 1399797), (22219, 905751), (27447, 733227), (43131, 466599), (66657, 301917), (82341, 244409), (100639, 199971), (129393, 155533)]