20199089505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{4507}}^1\times {\mathrm{42683}}^1$

素因数の和:47205

約数の個数: 32

約数和(自身を含む): 36944538624

約数和(自身を除く): 16745449119

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 4507, 13521, 22535, 31549, 42683, 67605, 94647, 128049, 157745, 213415, 298781, 473235, 640245, 896343, 1493905, 4481715, 192372281, 577116843, 961861405, 1346605967, 2885584215, 4039817901, 6733029835, 20199089505]

約数ペア:

[(1, 20199089505), (3, 6733029835), (5, 4039817901), (7, 2885584215), (15, 1346605967), (21, 961861405), (35, 577116843), (105, 192372281), (4507, 4481715), (13521, 1493905), (22535, 896343), (31549, 640245), (42683, 473235), (67605, 298781), (94647, 213415), (128049, 157745)]