20736315

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 17702085

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 79, 95, 171, 237, 285, 307, 395, 711, 855, 921, 1185, 1501, 1535, 2763, 3555, 4503, 4605, 5833, 7505, 13509, 13815, 17499, 22515, 24253, 29165, 52497, 67545, 72759, 87495, 121265, 218277, 262485, 363795, 460807, 1091385, 1382421, 2304035, 4147263, 6912105, 20736315]

約数ペア:

[(1, 20736315), (3, 6912105), (5, 4147263), (9, 2304035), (15, 1382421), (19, 1091385), (45, 460807), (57, 363795), (79, 262485), (95, 218277), (171, 121265), (237, 87495), (285, 72759), (307, 67545), (395, 52497), (711, 29165), (855, 24253), (921, 22515), (1185, 17499), (1501, 13815), (1535, 13509), (2763, 7505), (3555, 5833), (4503, 4605)]