20178962825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{148021}}^1$

素因数の和:148098

約数の個数: 48

約数和(自身を含む): 30835943040

約数和(自身を除く): 10656980215

約数列:

[1, 5, 7, 19, 25, 35, 41, 95, 133, 175, 205, 287, 475, 665, 779, 1025, 1435, 3325, 3895, 5453, 7175, 19475, 27265, 136325, 148021, 740105, 1036147, 2812399, 3700525, 5180735, 6068861, 14061995, 19686793, 25903675, 30344305, 42482027, 70309975, 98433965, 115308359, 151721525, 212410135, 492169825, 576541795, 807158513, 1062050675, 2882708975, 4035792565, 20178962825]

約数ペア:

[(1, 20178962825), (5, 4035792565), (7, 2882708975), (19, 1062050675), (25, 807158513), (35, 576541795), (41, 492169825), (95, 212410135), (133, 151721525), (175, 115308359), (205, 98433965), (287, 70309975), (475, 42482027), (665, 30344305), (779, 25903675), (1025, 19686793), (1435, 14061995), (3325, 6068861), (3895, 5180735), (5453, 3700525), (7175, 2812399), (19475, 1036147), (27265, 740105), (136325, 148021)]