20682438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30120762

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 83, 102, 119, 166, 238, 249, 349, 357, 498, 581, 698, 714, 1047, 1162, 1411, 1743, 2094, 2443, 2822, 3486, 4233, 4886, 5933, 7329, 8466, 9877, 11866, 14658, 17799, 19754, 28967, 29631, 35598, 41531, 57934, 59262, 83062, 86901, 124593, 173802, 202769, 249186, 405538, 492439, 608307, 984878, 1216614, 1477317, 2954634, 3447073, 6894146, 10341219, 20682438]

約数ペア:

[(1, 20682438), (2, 10341219), (3, 6894146), (6, 3447073), (7, 2954634), (14, 1477317), (17, 1216614), (21, 984878), (34, 608307), (42, 492439), (51, 405538), (83, 249186), (102, 202769), (119, 173802), (166, 124593), (238, 86901), (249, 83062), (349, 59262), (357, 57934), (498, 41531), (581, 35598), (698, 29631), (714, 28967), (1047, 19754), (1162, 17799), (1411, 14658), (1743, 11866), (2094, 9877), (2443, 8466), (2822, 7329), (3486, 5933), (4233, 4886)]