20922318

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 26959698

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 97, 138, 194, 207, 291, 414, 521, 582, 873, 1042, 1563, 1746, 2231, 3126, 4462, 4689, 6693, 9378, 11983, 13386, 20079, 23966, 35949, 40158, 50537, 71898, 101074, 107847, 151611, 215694, 303222, 454833, 909666, 1162351, 2324702, 3487053, 6974106, 10461159, 20922318]

約数ペア:

[(1, 20922318), (2, 10461159), (3, 6974106), (6, 3487053), (9, 2324702), (18, 1162351), (23, 909666), (46, 454833), (69, 303222), (97, 215694), (138, 151611), (194, 107847), (207, 101074), (291, 71898), (414, 50537), (521, 40158), (582, 35949), (873, 23966), (1042, 20079), (1563, 13386), (1746, 11983), (2231, 9378), (3126, 6693), (4462, 4689)]