20635902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 51417600

約数和(自身を除く): 30781698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 199, 398, 597, 823, 1194, 1393, 1646, 1791, 2469, 2786, 3582, 4179, 4938, 5761, 7407, 8358, 11522, 12537, 14814, 17283, 25074, 34566, 51849, 103698, 163777, 327554, 491331, 982662, 1146439, 1473993, 2292878, 2947986, 3439317, 6878634, 10317951, 20635902]

約数ペア:

[(1, 20635902), (2, 10317951), (3, 6878634), (6, 3439317), (7, 2947986), (9, 2292878), (14, 1473993), (18, 1146439), (21, 982662), (42, 491331), (63, 327554), (126, 163777), (199, 103698), (398, 51849), (597, 34566), (823, 25074), (1194, 17283), (1393, 14814), (1646, 12537), (1791, 11522), (2469, 8358), (2786, 7407), (3582, 5761), (4179, 4938)]