20192595189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{991}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 31226001408

約数和(自身を除く): 11033406219

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 421, 663, 949, 991, 1241, 1263, 2847, 2973, 3723, 5473, 7157, 12883, 16133, 16419, 16847, 21471, 30733, 38649, 48399, 50541, 72343, 92199, 93041, 217029, 219011, 279123, 399529, 417211, 522461, 657033, 940459, 1198587, 1229831, 1251633, 1567383, 2821377, 3689493, 5423743, 6791993, 7092587, 15987803, 16271229, 20375979, 21277761, 30456403, 47963409, 91369209, 92203631, 276610893, 395933239, 517758851, 1187799717, 1553276553, 6730865063, 20192595189]

約数ペア:

[(1, 20192595189), (3, 6730865063), (13, 1553276553), (17, 1187799717), (39, 517758851), (51, 395933239), (73, 276610893), (219, 92203631), (221, 91369209), (421, 47963409), (663, 30456403), (949, 21277761), (991, 20375979), (1241, 16271229), (1263, 15987803), (2847, 7092587), (2973, 6791993), (3723, 5423743), (5473, 3689493), (7157, 2821377), (12883, 1567383), (16133, 1251633), (16419, 1229831), (16847, 1198587), (21471, 940459), (30733, 657033), (38649, 522461), (48399, 417211), (50541, 399529), (72343, 279123), (92199, 219011), (93041, 217029)]