20124356

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31249}}^1$

素因数の和:31283

約数の個数: 24

約数和(自身を含む): 42000000

約数和(自身を除く): 21875644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31249, 62498, 124996, 218743, 437486, 718727, 874972, 1437454, 2874908, 5031089, 10062178, 20124356]

約数ペア:

[(1, 20124356), (2, 10062178), (4, 5031089), (7, 2874908), (14, 1437454), (23, 874972), (28, 718727), (46, 437486), (92, 218743), (161, 124996), (322, 62498), (644, 31249)]