20005978395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5261}}^1\times {\mathrm{19501}}^1$

素因数の和:24783

約数の個数: 32

約数和(自身を含む): 34480160064

約数和(自身を除く): 14474181669

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 5261, 15783, 19501, 26305, 58503, 68393, 78915, 97505, 205179, 253513, 292515, 341965, 760539, 1025895, 1267565, 3802695, 102594761, 307784283, 512973805, 1333731893, 1538921415, 4001195679, 6668659465, 20005978395]

約数ペア:

[(1, 20005978395), (3, 6668659465), (5, 4001195679), (13, 1538921415), (15, 1333731893), (39, 512973805), (65, 307784283), (195, 102594761), (5261, 3802695), (15783, 1267565), (19501, 1025895), (26305, 760539), (58503, 341965), (68393, 292515), (78915, 253513), (97505, 205179)]