20653528

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{929}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 44416800

約数和(自身を除く): 23763272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 929, 1588, 1858, 2779, 3176, 3716, 5558, 6503, 7432, 11116, 13006, 22232, 26012, 52024, 368813, 737626, 1475252, 2581691, 2950504, 5163382, 10326764, 20653528]

約数ペア:

[(1, 20653528), (2, 10326764), (4, 5163382), (7, 2950504), (8, 2581691), (14, 1475252), (28, 737626), (56, 368813), (397, 52024), (794, 26012), (929, 22232), (1588, 13006), (1858, 11116), (2779, 7432), (3176, 6503), (3716, 5558)]