20121581648

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7811173}}^1$

素因数の和:7811211

約数の個数: 40

約数和(自身を含む): 46492107648

約数和(自身を除く): 26370526000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7811173, 15622346, 31244692, 54678211, 62489384, 109356422, 124978768, 179656979, 218712844, 359313958, 437425688, 718627916, 874851376, 1257598853, 1437255832, 2515197706, 2874511664, 5030395412, 10060790824, 20121581648]

約数ペア:

[(1, 20121581648), (2, 10060790824), (4, 5030395412), (7, 2874511664), (8, 2515197706), (14, 1437255832), (16, 1257598853), (23, 874851376), (28, 718627916), (46, 437425688), (56, 359313958), (92, 218712844), (112, 179656979), (161, 124978768), (184, 109356422), (322, 62489384), (368, 54678211), (644, 31244692), (1288, 15622346), (2576, 7811173)]