20010532955

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{3001}}^1$

素因数の和:3340

約数の個数: 64

約数和(自身を含む): 29787525120

約数和(自身を除く): 9776992165

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 271, 665, 703, 1295, 1355, 1897, 3001, 3515, 4921, 5149, 9485, 10027, 15005, 21007, 24605, 25745, 36043, 50135, 57019, 70189, 105035, 111037, 180215, 190513, 285095, 350945, 399133, 555185, 777259, 813271, 952565, 1333591, 1995665, 2109703, 3886295, 4066355, 5692897, 6667955, 10548515, 14767921, 15452149, 28464485, 30091027, 73839605, 77260745, 108165043, 150455135, 210637189, 540825215, 571729513, 1053185945, 2858647565, 4002106591, 20010532955]

約数ペア:

[(1, 20010532955), (5, 4002106591), (7, 2858647565), (19, 1053185945), (35, 571729513), (37, 540825215), (95, 210637189), (133, 150455135), (185, 108165043), (259, 77260745), (271, 73839605), (665, 30091027), (703, 28464485), (1295, 15452149), (1355, 14767921), (1897, 10548515), (3001, 6667955), (3515, 5692897), (4921, 4066355), (5149, 3886295), (9485, 2109703), (10027, 1995665), (15005, 1333591), (21007, 952565), (24605, 813271), (25745, 777259), (36043, 555185), (50135, 399133), (57019, 350945), (70189, 285095), (105035, 190513), (111037, 180215)]