20281963516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1\times {\mathrm{3011}}^1$

素因数の和:3634

約数の個数: 48

約数和(自身を含む): 37627349760

約数和(自身を除く): 17345386244

約数列:

[1, 2, 4, 19, 38, 76, 263, 337, 526, 674, 1052, 1348, 3011, 4997, 6022, 6403, 9994, 12044, 12806, 19988, 25612, 57209, 88631, 114418, 177262, 228836, 354524, 791893, 1014707, 1583786, 1683989, 2029414, 3167572, 3367978, 4058828, 6735956, 15045967, 19279433, 30091934, 38558866, 60183868, 77117732, 266867941, 533735882, 1067471764, 5070490879, 10140981758, 20281963516]

約数ペア:

[(1, 20281963516), (2, 10140981758), (4, 5070490879), (19, 1067471764), (38, 533735882), (76, 266867941), (263, 77117732), (337, 60183868), (526, 38558866), (674, 30091934), (1052, 19279433), (1348, 15045967), (3011, 6735956), (4997, 4058828), (6022, 3367978), (6403, 3167572), (9994, 2029414), (12044, 1683989), (12806, 1583786), (19988, 1014707), (25612, 791893), (57209, 354524), (88631, 228836), (114418, 177262)]