20312648

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19085752

約数列:

[1, 2, 4, 8, 47, 89, 94, 178, 188, 356, 376, 607, 712, 1214, 2428, 4183, 4856, 8366, 16732, 28529, 33464, 54023, 57058, 108046, 114116, 216092, 228232, 432184, 2539081, 5078162, 10156324, 20312648]

約数ペア:

[(1, 20312648), (2, 10156324), (4, 5078162), (8, 2539081), (47, 432184), (89, 228232), (94, 216092), (178, 114116), (188, 108046), (356, 57058), (376, 54023), (607, 33464), (712, 28529), (1214, 16732), (2428, 8366), (4183, 4856)]