20902698

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6791}}^1$

素因数の和:6824

約数の個数: 40

約数和(自身を含む): 49309920

約数和(自身を除く): 28407222

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6791, 13582, 20373, 40746, 61119, 122238, 129029, 183357, 258058, 366714, 387087, 550071, 774174, 1100142, 1161261, 2322522, 3483783, 6967566, 10451349, 20902698]

約数ペア:

[(1, 20902698), (2, 10451349), (3, 6967566), (6, 3483783), (9, 2322522), (18, 1161261), (19, 1100142), (27, 774174), (38, 550071), (54, 387087), (57, 366714), (81, 258058), (114, 183357), (162, 129029), (171, 122238), (342, 61119), (513, 40746), (1026, 20373), (1539, 13582), (3078, 6791)]