20356196

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 43163904

約数和(自身を除く): 22807708

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 73, 92, 146, 161, 292, 322, 433, 511, 644, 866, 1022, 1679, 1732, 2044, 3031, 3358, 6062, 6716, 9959, 11753, 12124, 19918, 23506, 31609, 39836, 47012, 63218, 69713, 126436, 139426, 221263, 278852, 442526, 727007, 885052, 1454014, 2908028, 5089049, 10178098, 20356196]

約数ペア:

[(1, 20356196), (2, 10178098), (4, 5089049), (7, 2908028), (14, 1454014), (23, 885052), (28, 727007), (46, 442526), (73, 278852), (92, 221263), (146, 139426), (161, 126436), (292, 69713), (322, 63218), (433, 47012), (511, 39836), (644, 31609), (866, 23506), (1022, 19918), (1679, 12124), (1732, 11753), (2044, 9959), (3031, 6716), (3358, 6062)]