20120040112

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40564597}}^1$

素因数の和:40564636

約数の個数: 20

約数和(自身を含む): 40240081216

約数和(自身を除く): 20120041104

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40564597, 81129194, 162258388, 324516776, 649033552, 1257502507, 2515005014, 5030010028, 10060020056, 20120040112]

約数ペア:

[(1, 20120040112), (2, 10060020056), (4, 5030010028), (8, 2515005014), (16, 1257502507), (31, 649033552), (62, 324516776), (124, 162258388), (248, 81129194), (496, 40564597)]