20120204416

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{930113}}^1$

素因数の和:930153

約数の個数: 48

約数和(自身を含む): 43403769810

約数和(自身を除く): 23283565394

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 5408, 10816, 21632, 930113, 1860226, 3720452, 7440904, 12091469, 14881808, 24182938, 29763616, 48365876, 59527232, 96731752, 119054464, 157189097, 193463504, 314378194, 386927008, 628756388, 773854016, 1257512776, 1547708032, 2515025552, 5030051104, 10060102208, 20120204416]

約数ペア:

[(1, 20120204416), (2, 10060102208), (4, 5030051104), (8, 2515025552), (13, 1547708032), (16, 1257512776), (26, 773854016), (32, 628756388), (52, 386927008), (64, 314378194), (104, 193463504), (128, 157189097), (169, 119054464), (208, 96731752), (338, 59527232), (416, 48365876), (676, 29763616), (832, 24182938), (1352, 14881808), (1664, 12091469), (2704, 7440904), (5408, 3720452), (10816, 1860226), (21632, 930113)]