20178558

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 60

約数和(自身を含む): 48142512

約数和(自身を除く): 27963954

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 289, 306, 431, 459, 578, 862, 867, 918, 1293, 1377, 1734, 2586, 2601, 2754, 3879, 5202, 7327, 7758, 7803, 11637, 14654, 15606, 21981, 23274, 23409, 34911, 43962, 46818, 65943, 69822, 124559, 131886, 197829, 249118, 373677, 395658, 593487, 747354, 1121031, 1186974, 2242062, 3363093, 6726186, 10089279, 20178558]

約数ペア:

[(1, 20178558), (2, 10089279), (3, 6726186), (6, 3363093), (9, 2242062), (17, 1186974), (18, 1121031), (27, 747354), (34, 593487), (51, 395658), (54, 373677), (81, 249118), (102, 197829), (153, 131886), (162, 124559), (289, 69822), (306, 65943), (431, 46818), (459, 43962), (578, 34911), (862, 23409), (867, 23274), (918, 21981), (1293, 15606), (1377, 14654), (1734, 11637), (2586, 7803), (2601, 7758), (2754, 7327), (3879, 5202)]