20165155173

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{677}}^1\times {\mathrm{8969}}^1$

素因数の和:9699

約数の個数: 40

約数和(自身を含む): 30906996120

約数和(自身を除く): 10741840947

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 677, 1107, 2031, 3321, 6093, 8969, 18279, 26907, 27757, 54837, 80721, 83271, 242163, 249813, 367729, 726489, 749439, 1103187, 2248317, 3309561, 6072013, 9928683, 18216039, 29786049, 54648117, 163944351, 248952533, 491833053, 746857599, 2240572797, 6721718391, 20165155173]

約数ペア:

[(1, 20165155173), (3, 6721718391), (9, 2240572797), (27, 746857599), (41, 491833053), (81, 248952533), (123, 163944351), (369, 54648117), (677, 29786049), (1107, 18216039), (2031, 9928683), (3321, 6072013), (6093, 3309561), (8969, 2248317), (18279, 1103187), (26907, 749439), (27757, 726489), (54837, 367729), (80721, 249813), (83271, 242163)]