20199778845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1\times {\mathrm{2287}}^1$

素因数の和:4154

約数の個数: 64

約数和(自身を含む): 36057415680

約数和(自身を除く): 15857636835

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 1823, 2287, 4845, 5469, 6861, 9115, 11435, 27345, 30991, 34305, 34637, 38879, 43453, 92973, 103911, 116637, 130359, 154955, 173185, 194395, 217265, 464865, 519555, 583185, 588829, 651795, 738701, 1766487, 2216103, 2944145, 3693505, 4169201, 8832435, 11080515, 12507603, 20846005, 62538015, 70876417, 79214819, 212629251, 237644457, 354382085, 396074095, 1063146255, 1188222285, 1346651923, 4039955769, 6733259615, 20199778845]

約数ペア:

[(1, 20199778845), (3, 6733259615), (5, 4039955769), (15, 1346651923), (17, 1188222285), (19, 1063146255), (51, 396074095), (57, 354382085), (85, 237644457), (95, 212629251), (255, 79214819), (285, 70876417), (323, 62538015), (969, 20846005), (1615, 12507603), (1823, 11080515), (2287, 8832435), (4845, 4169201), (5469, 3693505), (6861, 2944145), (9115, 2216103), (11435, 1766487), (27345, 738701), (30991, 651795), (34305, 588829), (34637, 583185), (38879, 519555), (43453, 464865), (92973, 217265), (103911, 194395), (116637, 173185), (130359, 154955)]