20156989184

素因数分解:

$2^8\times {\mathrm{349}}^1\times {\mathrm{225611}}^1$

素因数の和:225976

約数の個数: 36

約数和(自身を含む): 40350706200

約数和(自身を除く): 20193717016

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 349, 698, 1396, 2792, 5584, 11168, 22336, 44672, 89344, 225611, 451222, 902444, 1804888, 3609776, 7219552, 14439104, 28878208, 57756416, 78738239, 157476478, 314952956, 629905912, 1259811824, 2519623648, 5039247296, 10078494592, 20156989184]

約数ペア:

[(1, 20156989184), (2, 10078494592), (4, 5039247296), (8, 2519623648), (16, 1259811824), (32, 629905912), (64, 314952956), (128, 157476478), (256, 78738239), (349, 57756416), (698, 28878208), (1396, 14439104), (2792, 7219552), (5584, 3609776), (11168, 1804888), (22336, 902444), (44672, 451222), (89344, 225611)]