20199509535

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1\times {\mathrm{20903}}^1$

素因数の和:23735

約数の個数: 32

約数和(自身を含む): 33738052608

約数和(自身を除く): 13538543073

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 2801, 8403, 14005, 20903, 42015, 62709, 64423, 104515, 193269, 313545, 322115, 480769, 966345, 1442307, 2403845, 7211535, 58549303, 175647909, 292746515, 878239545, 1346633969, 4039901907, 6733169845, 20199509535]

約数ペア:

[(1, 20199509535), (3, 6733169845), (5, 4039901907), (15, 1346633969), (23, 878239545), (69, 292746515), (115, 175647909), (345, 58549303), (2801, 7211535), (8403, 2403845), (14005, 1442307), (20903, 966345), (42015, 480769), (62709, 322115), (64423, 313545), (104515, 193269)]