20810358

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6761}}^1$

素因数の和:6794

約数の個数: 40

約数和(自身を含む): 49092120

約数和(自身を除く): 28281762

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6761, 13522, 20283, 40566, 60849, 121698, 128459, 182547, 256918, 365094, 385377, 547641, 770754, 1095282, 1156131, 2312262, 3468393, 6936786, 10405179, 20810358]

約数ペア:

[(1, 20810358), (2, 10405179), (3, 6936786), (6, 3468393), (9, 2312262), (18, 1156131), (19, 1095282), (27, 770754), (38, 547641), (54, 385377), (57, 365094), (81, 256918), (114, 182547), (162, 128459), (171, 121698), (342, 60849), (513, 40566), (1026, 20283), (1539, 13522), (3078, 6761)]