20104351645

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1\times {\mathrm{21139}}^1$

素因数の和:22117

約数の個数: 32

約数和(自身を含む): 28554220800

約数和(自身を除く): 8449869155

約数列:

[1, 5, 7, 29, 35, 145, 203, 937, 1015, 4685, 6559, 21139, 27173, 32795, 105695, 135865, 147973, 190211, 613031, 739865, 951055, 3065155, 4291217, 19807243, 21456085, 99036215, 138650701, 574410047, 693253505, 2872050235, 4020870329, 20104351645]

約数ペア:

[(1, 20104351645), (5, 4020870329), (7, 2872050235), (29, 693253505), (35, 574410047), (145, 138650701), (203, 99036215), (937, 21456085), (1015, 19807243), (4685, 4291217), (6559, 3065155), (21139, 951055), (27173, 739865), (32795, 613031), (105695, 190211), (135865, 147973)]