20242784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22431904

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 127, 136, 254, 272, 293, 508, 544, 586, 1016, 1172, 2032, 2159, 2344, 4064, 4318, 4688, 4981, 8636, 9376, 9962, 17272, 19924, 34544, 37211, 39848, 69088, 74422, 79696, 148844, 159392, 297688, 595376, 632587, 1190752, 1265174, 2530348, 5060696, 10121392, 20242784]

約数ペア:

[(1, 20242784), (2, 10121392), (4, 5060696), (8, 2530348), (16, 1265174), (17, 1190752), (32, 632587), (34, 595376), (68, 297688), (127, 159392), (136, 148844), (254, 79696), (272, 74422), (293, 69088), (508, 39848), (544, 37211), (586, 34544), (1016, 19924), (1172, 17272), (2032, 9962), (2159, 9376), (2344, 8636), (4064, 4981), (4318, 4688)]