20199754905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1\times {\mathrm{2957}}^1$

素因数の和:5174

約数の個数: 64

約数和(自身を含む): 37143014400

約数和(自身を除く): 16943259495

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 2179, 2957, 3135, 6537, 8871, 10895, 14785, 23969, 32527, 32685, 41401, 44355, 56183, 71907, 97581, 119845, 124203, 162635, 168549, 207005, 280915, 359535, 455411, 487905, 618013, 621015, 842745, 1366233, 1854039, 2277055, 3090065, 6443303, 6831165, 9270195, 19329909, 32216515, 70876333, 96649545, 122422757, 212628999, 354381665, 367268271, 612113785, 1063144995, 1346650327, 1836341355, 4039950981, 6733251635, 20199754905]

約数ペア:

[(1, 20199754905), (3, 6733251635), (5, 4039950981), (11, 1836341355), (15, 1346650327), (19, 1063144995), (33, 612113785), (55, 367268271), (57, 354381665), (95, 212628999), (165, 122422757), (209, 96649545), (285, 70876333), (627, 32216515), (1045, 19329909), (2179, 9270195), (2957, 6831165), (3135, 6443303), (6537, 3090065), (8871, 2277055), (10895, 1854039), (14785, 1366233), (23969, 842745), (32527, 621015), (32685, 618013), (41401, 487905), (44355, 455411), (56183, 359535), (71907, 280915), (97581, 207005), (119845, 168549), (124203, 162635)]