20163465

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 43161600

約数和(自身を除く): 22998135

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1123, 1197, 1995, 2565, 3369, 3591, 5615, 5985, 7861, 10107, 16845, 17955, 21337, 23583, 30321, 39305, 50535, 64011, 70749, 106685, 117915, 149359, 151605, 192033, 212247, 320055, 353745, 448077, 576099, 746795, 960165, 1061235, 1344231, 2240385, 2880495, 4032693, 6721155, 20163465]

約数ペア:

[(1, 20163465), (3, 6721155), (5, 4032693), (7, 2880495), (9, 2240385), (15, 1344231), (19, 1061235), (21, 960165), (27, 746795), (35, 576099), (45, 448077), (57, 353745), (63, 320055), (95, 212247), (105, 192033), (133, 151605), (135, 149359), (171, 117915), (189, 106685), (285, 70749), (315, 64011), (399, 50535), (513, 39305), (665, 30321), (855, 23583), (945, 21337), (1123, 17955), (1197, 16845), (1995, 10107), (2565, 7861), (3369, 5985), (3591, 5615)]