20172959810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1\times {\mathrm{1447}}^1$

素因数の和:2451

約数の個数: 64

約数和(自身を含む): 38270292480

約数和(自身を除く): 18097332670

約数列:

[1, 2, 5, 10, 37, 41, 74, 82, 185, 205, 370, 410, 919, 1447, 1517, 1838, 2894, 3034, 4595, 7235, 7585, 9190, 14470, 15170, 34003, 37679, 53539, 59327, 68006, 75358, 107078, 118654, 170015, 188395, 267695, 296635, 340030, 376790, 535390, 593270, 1329793, 1394123, 2195099, 2659586, 2788246, 4390198, 6648965, 6970615, 10975495, 13297930, 13941230, 21950990, 49202341, 54521513, 98404682, 109043026, 246011705, 272607565, 492023410, 545215130, 2017295981, 4034591962, 10086479905, 20172959810]

約数ペア:

[(1, 20172959810), (2, 10086479905), (5, 4034591962), (10, 2017295981), (37, 545215130), (41, 492023410), (74, 272607565), (82, 246011705), (185, 109043026), (205, 98404682), (370, 54521513), (410, 49202341), (919, 21950990), (1447, 13941230), (1517, 13297930), (1838, 10975495), (2894, 6970615), (3034, 6648965), (4595, 4390198), (7235, 2788246), (7585, 2659586), (9190, 2195099), (14470, 1394123), (15170, 1329793), (34003, 593270), (37679, 535390), (53539, 376790), (59327, 340030), (68006, 296635), (75358, 267695), (107078, 188395), (118654, 170015)]