20952022

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 41771520

約数和(自身を除く): 20819498

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 73, 83, 91, 133, 146, 166, 182, 247, 266, 494, 511, 581, 949, 1022, 1079, 1162, 1387, 1577, 1729, 1898, 2158, 2774, 3154, 3458, 6059, 6643, 7553, 9709, 11039, 12118, 13286, 15106, 18031, 19418, 20501, 22078, 36062, 41002, 42413, 78767, 84826, 115121, 126217, 143507, 157534, 230242, 252434, 287014, 551369, 805847, 1102738, 1496573, 1611694, 2993146, 10476011, 20952022]

約数ペア:

[(1, 20952022), (2, 10476011), (7, 2993146), (13, 1611694), (14, 1496573), (19, 1102738), (26, 805847), (38, 551369), (73, 287014), (83, 252434), (91, 230242), (133, 157534), (146, 143507), (166, 126217), (182, 115121), (247, 84826), (266, 78767), (494, 42413), (511, 41002), (581, 36062), (949, 22078), (1022, 20501), (1079, 19418), (1162, 18031), (1387, 15106), (1577, 13286), (1729, 12118), (1898, 11039), (2158, 9709), (2774, 7553), (3154, 6643), (3458, 6059)]