20120704

素因数分解:

$2^7\times {\mathrm{191}}^1\times {\mathrm{823}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 40343040

約数和(自身を除く): 20222336

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 382, 764, 823, 1528, 1646, 3056, 3292, 6112, 6584, 12224, 13168, 24448, 26336, 52672, 105344, 157193, 314386, 628772, 1257544, 2515088, 5030176, 10060352, 20120704]

約数ペア:

[(1, 20120704), (2, 10060352), (4, 5030176), (8, 2515088), (16, 1257544), (32, 628772), (64, 314386), (128, 157193), (191, 105344), (382, 52672), (764, 26336), (823, 24448), (1528, 13168), (1646, 12224), (3056, 6584), (3292, 6112)]