20229974864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{506357}}^1$

素因数の和:506603

約数の個数: 40

約数和(自身を含む): 42947260128

約数和(自身を除く): 22717285264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 227, 454, 908, 1816, 2497, 3632, 4994, 9988, 19976, 39952, 506357, 1012714, 2025428, 4050856, 5569927, 8101712, 11139854, 22279708, 44559416, 89118832, 114943039, 229886078, 459772156, 919544312, 1264373429, 1839088624, 2528746858, 5057493716, 10114987432, 20229974864]

約数ペア:

[(1, 20229974864), (2, 10114987432), (4, 5057493716), (8, 2528746858), (11, 1839088624), (16, 1264373429), (22, 919544312), (44, 459772156), (88, 229886078), (176, 114943039), (227, 89118832), (454, 44559416), (908, 22279708), (1816, 11139854), (2497, 8101712), (3632, 5569927), (4994, 4050856), (9988, 2025428), (19976, 1012714), (39952, 506357)]