20200089

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 33720064

約数和(自身を除く): 13519975

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1213, 1281, 2379, 3639, 5551, 8491, 15769, 16653, 25473, 47307, 73993, 110383, 221979, 331149, 517951, 961909, 1553853, 2885727, 6733363, 20200089]

約数ペア:

[(1, 20200089), (3, 6733363), (7, 2885727), (13, 1553853), (21, 961909), (39, 517951), (61, 331149), (91, 221979), (183, 110383), (273, 73993), (427, 47307), (793, 25473), (1213, 16653), (1281, 15769), (2379, 8491), (3639, 5551)]