20777260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 32928980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 73, 76, 95, 107, 133, 140, 146, 190, 214, 266, 292, 365, 380, 428, 511, 532, 535, 665, 730, 749, 1022, 1070, 1330, 1387, 1460, 1498, 2033, 2044, 2140, 2555, 2660, 2774, 2996, 3745, 4066, 5110, 5548, 6935, 7490, 7811, 8132, 9709, 10165, 10220, 13870, 14231, 14980, 15622, 19418, 20330, 27740, 28462, 31244, 38836, 39055, 40660, 48545, 54677, 56924, 71155, 78110, 97090, 109354, 142310, 148409, 156220, 194180, 218708, 273385, 284620, 296818, 546770, 593636, 742045, 1038863, 1093540, 1484090, 2077726, 2968180, 4155452, 5194315, 10388630, 20777260]

約数ペア:

[(1, 20777260), (2, 10388630), (4, 5194315), (5, 4155452), (7, 2968180), (10, 2077726), (14, 1484090), (19, 1093540), (20, 1038863), (28, 742045), (35, 593636), (38, 546770), (70, 296818), (73, 284620), (76, 273385), (95, 218708), (107, 194180), (133, 156220), (140, 148409), (146, 142310), (190, 109354), (214, 97090), (266, 78110), (292, 71155), (365, 56924), (380, 54677), (428, 48545), (511, 40660), (532, 39055), (535, 38836), (665, 31244), (730, 28462), (749, 27740), (1022, 20330), (1070, 19418), (1330, 15622), (1387, 14980), (1460, 14231), (1498, 13870), (2033, 10220), (2044, 10165), (2140, 9709), (2555, 8132), (2660, 7811), (2774, 7490), (2996, 6935), (3745, 5548), (4066, 5110)]