20144835

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 37144800

約数和(自身を除く): 16999965

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 109, 111, 135, 185, 327, 333, 545, 555, 981, 999, 1369, 1635, 1665, 2943, 4033, 4107, 4905, 4995, 6845, 12099, 12321, 14715, 20165, 20535, 36297, 36963, 60495, 61605, 108891, 149221, 181485, 184815, 447663, 544455, 746105, 1342989, 2238315, 4028967, 6714945, 20144835]

約数ペア:

[(1, 20144835), (3, 6714945), (5, 4028967), (9, 2238315), (15, 1342989), (27, 746105), (37, 544455), (45, 447663), (109, 184815), (111, 181485), (135, 149221), (185, 108891), (327, 61605), (333, 60495), (545, 36963), (555, 36297), (981, 20535), (999, 20165), (1369, 14715), (1635, 12321), (1665, 12099), (2943, 6845), (4033, 4995), (4107, 4905)]