20697138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 56833920

約数和(自身を除く): 36136782

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 109, 126, 137, 154, 198, 218, 231, 274, 327, 411, 462, 654, 693, 763, 822, 959, 981, 1199, 1233, 1386, 1507, 1526, 1918, 1962, 2289, 2398, 2466, 2877, 3014, 3597, 4521, 4578, 5754, 6867, 7194, 8393, 8631, 9042, 10549, 10791, 13563, 13734, 14933, 16786, 17262, 21098, 21582, 25179, 27126, 29866, 31647, 44799, 50358, 63294, 75537, 89598, 94941, 104531, 134397, 151074, 164263, 189882, 209062, 268794, 313593, 328526, 492789, 627186, 940779, 985578, 1149841, 1478367, 1881558, 2299682, 2956734, 3449523, 6899046, 10348569, 20697138]

約数ペア:

[(1, 20697138), (2, 10348569), (3, 6899046), (6, 3449523), (7, 2956734), (9, 2299682), (11, 1881558), (14, 1478367), (18, 1149841), (21, 985578), (22, 940779), (33, 627186), (42, 492789), (63, 328526), (66, 313593), (77, 268794), (99, 209062), (109, 189882), (126, 164263), (137, 151074), (154, 134397), (198, 104531), (218, 94941), (231, 89598), (274, 75537), (327, 63294), (411, 50358), (462, 44799), (654, 31647), (693, 29866), (763, 27126), (822, 25179), (959, 21582), (981, 21098), (1199, 17262), (1233, 16786), (1386, 14933), (1507, 13734), (1526, 13563), (1918, 10791), (1962, 10549), (2289, 9042), (2398, 8631), (2466, 8393), (2877, 7194), (3014, 6867), (3597, 5754), (4521, 4578)]