20227515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 41029632

約数和(自身を除く): 20802117

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 83, 105, 165, 211, 231, 249, 385, 415, 581, 633, 913, 1055, 1155, 1245, 1477, 1743, 2321, 2739, 2905, 3165, 4431, 4565, 6391, 6963, 7385, 8715, 11605, 13695, 16247, 17513, 19173, 22155, 31955, 34815, 48741, 52539, 81235, 87565, 95865, 122591, 192643, 243705, 262695, 367773, 577929, 612955, 963215, 1348501, 1838865, 2889645, 4045503, 6742505, 20227515]

約数ペア:

[(1, 20227515), (3, 6742505), (5, 4045503), (7, 2889645), (11, 1838865), (15, 1348501), (21, 963215), (33, 612955), (35, 577929), (55, 367773), (77, 262695), (83, 243705), (105, 192643), (165, 122591), (211, 95865), (231, 87565), (249, 81235), (385, 52539), (415, 48741), (581, 34815), (633, 31955), (913, 22155), (1055, 19173), (1155, 17513), (1245, 16247), (1477, 13695), (1743, 11605), (2321, 8715), (2739, 7385), (2905, 6963), (3165, 6391), (4431, 4565)]