20752074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1511}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 31139766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1511, 1526, 1962, 2289, 3022, 4533, 4578, 6867, 9066, 10577, 13599, 13734, 21154, 27198, 31731, 63462, 95193, 164699, 190386, 329398, 494097, 988194, 1152893, 1482291, 2305786, 2964582, 3458679, 6917358, 10376037, 20752074]

約数ペア:

[(1, 20752074), (2, 10376037), (3, 6917358), (6, 3458679), (7, 2964582), (9, 2305786), (14, 1482291), (18, 1152893), (21, 988194), (42, 494097), (63, 329398), (109, 190386), (126, 164699), (218, 95193), (327, 63462), (654, 31731), (763, 27198), (981, 21154), (1511, 13734), (1526, 13599), (1962, 10577), (2289, 9066), (3022, 6867), (4533, 4578)]