20963172555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{4177}}^1$

素因数の和:4597

約数の個数: 96

約数和(自身を含む): 40951886976

約数和(自身を除く): 19988714421

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 373, 585, 897, 1035, 1119, 1495, 1865, 2691, 3357, 4177, 4485, 4849, 5595, 8579, 12531, 13455, 14547, 16785, 20885, 24245, 25737, 37593, 42895, 43641, 54301, 62655, 72735, 77211, 96071, 111527, 128685, 162903, 187965, 218205, 271505, 288213, 334581, 386055, 480355, 488709, 557635, 814515, 864639, 1003743, 1248923, 1441065, 1558021, 1672905, 2443545, 3746769, 4323195, 4674063, 5018715, 6244615, 7790105, 11240307, 14022189, 18733845, 20254273, 23370315, 35834483, 56201535, 60762819, 70110945, 101271365, 107503449, 179172415, 182288457, 303814095, 322510347, 465848279, 537517245, 911442285, 1397544837, 1612551735, 2329241395, 4192634511, 6987724185, 20963172555]

約数ペア:

[(1, 20963172555), (3, 6987724185), (5, 4192634511), (9, 2329241395), (13, 1612551735), (15, 1397544837), (23, 911442285), (39, 537517245), (45, 465848279), (65, 322510347), (69, 303814095), (115, 182288457), (117, 179172415), (195, 107503449), (207, 101271365), (299, 70110945), (345, 60762819), (373, 56201535), (585, 35834483), (897, 23370315), (1035, 20254273), (1119, 18733845), (1495, 14022189), (1865, 11240307), (2691, 7790105), (3357, 6244615), (4177, 5018715), (4485, 4674063), (4849, 4323195), (5595, 3746769), (8579, 2443545), (12531, 1672905), (13455, 1558021), (14547, 1441065), (16785, 1248923), (20885, 1003743), (24245, 864639), (25737, 814515), (37593, 557635), (42895, 488709), (43641, 480355), (54301, 386055), (62655, 334581), (72735, 288213), (77211, 271505), (96071, 218205), (111527, 187965), (128685, 162903)]