20157618470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1229873}}^1$

素因数の和:1230040

約数の個数: 32

約数和(自身を含む): 39847917600

約数和(自身を除く): 19690299130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1490, 1639, 3278, 8195, 16390, 1229873, 2459746, 6149365, 12298730, 13528603, 27057206, 67643015, 135286030, 183251077, 366502154, 916255385, 1832510770, 2015761847, 4031523694, 10078809235, 20157618470]

約数ペア:

[(1, 20157618470), (2, 10078809235), (5, 4031523694), (10, 2015761847), (11, 1832510770), (22, 916255385), (55, 366502154), (110, 183251077), (149, 135286030), (298, 67643015), (745, 27057206), (1490, 13528603), (1639, 12298730), (3278, 6149365), (8195, 2459746), (16390, 1229873)]