20199365968

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{2789}}^1\times {\mathrm{9631}}^1$

素因数の和:12475

約数の個数: 40

約数和(自身を含む): 39987440640

約数和(自身を除く): 19788074672

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 2789, 5578, 9631, 11156, 19262, 22312, 38524, 44624, 77048, 131083, 154096, 262166, 452657, 524332, 905314, 1048664, 1810628, 2097328, 3621256, 7242512, 26860859, 53721718, 107443436, 214886872, 429773744, 1262460373, 2524920746, 5049841492, 10099682984, 20199365968]

約数ペア:

[(1, 20199365968), (2, 10099682984), (4, 5049841492), (8, 2524920746), (16, 1262460373), (47, 429773744), (94, 214886872), (188, 107443436), (376, 53721718), (752, 26860859), (2789, 7242512), (5578, 3621256), (9631, 2097328), (11156, 1810628), (19262, 1048664), (22312, 905314), (38524, 524332), (44624, 452657), (77048, 262166), (131083, 154096)]