20410338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 47480832

約数和(自身を除く): 27070494

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 367, 403, 598, 713, 734, 806, 897, 1101, 1209, 1426, 1794, 2139, 2202, 2418, 4278, 4771, 8441, 9269, 9542, 11377, 14313, 16882, 18538, 22754, 25323, 27807, 28626, 34131, 50646, 55614, 68262, 109733, 147901, 219466, 261671, 295802, 329199, 443703, 523342, 658398, 785013, 887406, 1570026, 3401723, 6803446, 10205169, 20410338]

約数ペア:

[(1, 20410338), (2, 10205169), (3, 6803446), (6, 3401723), (13, 1570026), (23, 887406), (26, 785013), (31, 658398), (39, 523342), (46, 443703), (62, 329199), (69, 295802), (78, 261671), (93, 219466), (138, 147901), (186, 109733), (299, 68262), (367, 55614), (403, 50646), (598, 34131), (713, 28626), (734, 27807), (806, 25323), (897, 22754), (1101, 18538), (1209, 16882), (1426, 14313), (1794, 11377), (2139, 9542), (2202, 9269), (2418, 8441), (4278, 4771)]