20199349215

素因数分解:

$3^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{569}}^1\times {\mathrm{599}}^1$

素因数の和:1621

約数の個数: 64

約数和(自身を含む): 36115200000

約数和(自身を除く): 15915850785

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 439, 569, 599, 1317, 1707, 1797, 2195, 2845, 2995, 3951, 5121, 5391, 6585, 8535, 8985, 11853, 15363, 16173, 19755, 25605, 26955, 59265, 76815, 80865, 249791, 262961, 340831, 749373, 788883, 1022493, 1248955, 1314805, 1704155, 2248119, 2366649, 3067479, 3746865, 3944415, 5112465, 6744357, 7099947, 9202437, 11240595, 11833245, 15337395, 33721785, 35499735, 46012185, 149624809, 448874427, 748124045, 1346623281, 2244372135, 4039869843, 6733116405, 20199349215]

約数ペア:

[(1, 20199349215), (3, 6733116405), (5, 4039869843), (9, 2244372135), (15, 1346623281), (27, 748124045), (45, 448874427), (135, 149624809), (439, 46012185), (569, 35499735), (599, 33721785), (1317, 15337395), (1707, 11833245), (1797, 11240595), (2195, 9202437), (2845, 7099947), (2995, 6744357), (3951, 5112465), (5121, 3944415), (5391, 3746865), (6585, 3067479), (8535, 2366649), (8985, 2248119), (11853, 1704155), (15363, 1314805), (16173, 1248955), (19755, 1022493), (25605, 788883), (26955, 749373), (59265, 340831), (76815, 262961), (80865, 249791)]