20162655945

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{381977}}^1$

素因数の和:382031

約数の個数: 64

約数和(自身を含む): 39603479040

約数和(自身を除く): 19440823095

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 621, 765, 1035, 1173, 1955, 2295, 3105, 3519, 5865, 10557, 17595, 52785, 381977, 1145931, 1909885, 3437793, 5729655, 6493609, 8785471, 10313379, 17188965, 19480827, 26356413, 32468045, 43927355, 51566895, 58442481, 79069239, 97404135, 131782065, 149353007, 175327443, 237207717, 292212405, 395346195, 448059021, 746765035, 876637215, 1186038585, 1344177063, 2240295105, 4032531189, 6720885315, 20162655945]

約数ペア:

[(1, 20162655945), (3, 6720885315), (5, 4032531189), (9, 2240295105), (15, 1344177063), (17, 1186038585), (23, 876637215), (27, 746765035), (45, 448059021), (51, 395346195), (69, 292212405), (85, 237207717), (115, 175327443), (135, 149353007), (153, 131782065), (207, 97404135), (255, 79069239), (345, 58442481), (391, 51566895), (459, 43927355), (621, 32468045), (765, 26356413), (1035, 19480827), (1173, 17188965), (1955, 10313379), (2295, 8785471), (3105, 6493609), (3519, 5729655), (5865, 3437793), (10557, 1909885), (17595, 1145931), (52785, 381977)]