20109711245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 27832896000

約数和(自身を除く): 7723184755

約数列:

[1, 5, 13, 19, 65, 95, 103, 149, 247, 515, 745, 1061, 1235, 1339, 1937, 1957, 2831, 5305, 6695, 9685, 9785, 13793, 14155, 15347, 20159, 25441, 36803, 68965, 76735, 100795, 109283, 127205, 158089, 184015, 199511, 262067, 291593, 546415, 790445, 997555, 1310335, 1420679, 1457965, 2055157, 2076377, 3003691, 3790709, 7103395, 10275785, 10381885, 15018455, 16283167, 18953545, 26992901, 39047983, 81415835, 134964505, 195239915, 211681171, 309380173, 1058405855, 1546900865, 4021942249, 20109711245]

約数ペア:

[(1, 20109711245), (5, 4021942249), (13, 1546900865), (19, 1058405855), (65, 309380173), (95, 211681171), (103, 195239915), (149, 134964505), (247, 81415835), (515, 39047983), (745, 26992901), (1061, 18953545), (1235, 16283167), (1339, 15018455), (1937, 10381885), (1957, 10275785), (2831, 7103395), (5305, 3790709), (6695, 3003691), (9685, 2076377), (9785, 2055157), (13793, 1457965), (14155, 1420679), (15347, 1310335), (20159, 997555), (25441, 790445), (36803, 546415), (68965, 291593), (76735, 262067), (100795, 199511), (109283, 184015), (127205, 158089)]