20357530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 38890368

約数和(自身を除く): 18532838

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 1451, 2806, 2902, 7015, 7255, 14030, 14510, 33373, 66746, 88511, 166865, 177022, 333730, 442555, 885110, 2035753, 4071506, 10178765, 20357530]

約数ペア:

[(1, 20357530), (2, 10178765), (5, 4071506), (10, 2035753), (23, 885110), (46, 442555), (61, 333730), (115, 177022), (122, 166865), (230, 88511), (305, 66746), (610, 33373), (1403, 14510), (1451, 14030), (2806, 7255), (2902, 7015)]