20941914

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 53844480

約数和(自身を除く): 32902566

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 49, 57, 69, 98, 114, 133, 138, 147, 161, 163, 266, 294, 322, 326, 399, 437, 483, 489, 798, 874, 931, 966, 978, 1127, 1141, 1311, 1862, 2254, 2282, 2622, 2793, 3059, 3097, 3381, 3423, 3749, 5586, 6118, 6194, 6762, 6846, 7498, 7987, 9177, 9291, 11247, 15974, 18354, 18582, 21413, 21679, 22494, 23961, 26243, 42826, 43358, 47922, 52486, 64239, 65037, 71231, 78729, 128478, 130074, 142462, 151753, 157458, 183701, 213693, 303506, 367402, 427386, 455259, 498617, 551103, 910518, 997234, 1102206, 1495851, 2991702, 3490319, 6980638, 10470957, 20941914]

約数ペア:

[(1, 20941914), (2, 10470957), (3, 6980638), (6, 3490319), (7, 2991702), (14, 1495851), (19, 1102206), (21, 997234), (23, 910518), (38, 551103), (42, 498617), (46, 455259), (49, 427386), (57, 367402), (69, 303506), (98, 213693), (114, 183701), (133, 157458), (138, 151753), (147, 142462), (161, 130074), (163, 128478), (266, 78729), (294, 71231), (322, 65037), (326, 64239), (399, 52486), (437, 47922), (483, 43358), (489, 42826), (798, 26243), (874, 23961), (931, 22494), (966, 21679), (978, 21413), (1127, 18582), (1141, 18354), (1311, 15974), (1862, 11247), (2254, 9291), (2282, 9177), (2622, 7987), (2793, 7498), (3059, 6846), (3097, 6762), (3381, 6194), (3423, 6118), (3749, 5586)]