20508724295

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 26496220800

約数和(自身を除く): 5987496505

約数列:

[1, 5, 23, 61, 79, 115, 305, 395, 529, 1403, 1609, 1817, 2645, 4819, 7015, 8045, 9085, 24095, 32269, 37007, 41791, 98149, 110837, 127111, 161345, 185035, 208955, 490745, 554185, 635555, 851161, 2257427, 2549251, 2923553, 4255805, 7753771, 11287135, 12746255, 14617765, 38768855, 51920821, 67241719, 178336733, 259604105, 336208595, 891683665, 4101744859, 20508724295]

約数ペア:

[(1, 20508724295), (5, 4101744859), (23, 891683665), (61, 336208595), (79, 259604105), (115, 178336733), (305, 67241719), (395, 51920821), (529, 38768855), (1403, 14617765), (1609, 12746255), (1817, 11287135), (2645, 7753771), (4819, 4255805), (7015, 2923553), (8045, 2549251), (9085, 2257427), (24095, 851161), (32269, 635555), (37007, 554185), (41791, 490745), (98149, 208955), (110837, 185035), (127111, 161345)]